(2004). Census of Population and Housing, 2000 [United States] Summary File 4, North Dakota / United States Department of Commerce. Bureau of the Census. [electronic resource].
Cita Chicago (17th ed.)Census of Population and Housing, 2000 [United States] Summary File 4, North Dakota / United States Department of Commerce. Bureau of the Census. [electronic Resource]. 2004.
Cita MLA (9th ed.)Census of Population and Housing, 2000 [United States] Summary File 4, North Dakota / United States Department of Commerce. Bureau of the Census. [electronic Resource]. 2004.
Atenció: Aquestes cites poden no estar 100% correctes.