You should have a proper bibliography (works consulted and/or works cited)

primary sources:

Washington, George. "Letter to Martha Washington from George Washington." The American Revolution. American Journey Online. Woodbridge, CT.: Primary Source Microfilm, 1775. Student Resource Center - Silver. Gale. Queens Borough Public Library. 29 Feb. 2008 &contentSet=GSRC&type=retrieve&tabID=T006&prodId=SRC-2&docId=EJ2153000070&source=gale&srcprod=SRCC&userGroupName=qbpl_main&version=1.0>.

• I got this from " http://find.galegroup.com.proxy.queenslibrary.org/srcx/retrieve.do?subjectParam=Locale%2528en%252C%252C%2529%253AFQE%253D%2528su%252CNone%252C17%2529martha%2Bwashington%2524&contentSet=GSRC&sort=Relevance&tabID=T006&sgCurrentPosition=0&subjectAction=DISPLAY_SUBJECTS&prodId=SRC-2&searchId=R1&currentPosition=1&userGroupName=qbpl_main&resultListType=RESULT_LIST&sgHitCountType=None&qrySerId=Locale%28en%2C%2C%29%3AFQE%3D%28SU%2CNone%2C17%29martha+washington%24&inPS=true&searchType=BasicSearchForm&displaySubject=&docId=EJ2153000070&docType=GSRC
  

websites sources:

• "Martha Dandridge Custis Washington."unknown.February 08 <www.whitehouse.gov/history/firstladies/mw1.html - 16k>
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• "who served here?martha washington"Courtesy National Center for the American Revolution/Valley Forge Historical Society. 1998-2008

• "First Lady Biography: Martha Washington"the National First Ladies Library, 330-452-0876
  Museum/Saxton Mckinley House 331 S. Market Ave. Canton, Ohio 44702
  Education and Research Center 205 S. Market Ave. Canton, Ohio 44702.Copyright 2005,

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book sources:
1. title:

Martha Washington: An American Lifeauthor

author : Patricia Brady

date of publish: Copyright 2005.

company of book:company of book: librbary of congrass

2.title: george and martha washington

author : ashby, ruth

date of publish: 2005

company of book:
world almanac library

3. title: martha washington . frist ladie

author : stepanie mcpherson

date of publish: 1998

company of book: library of congress