APA (7e ed.) Bronvermelding

(2004). Census of Population and Housing, 2000 [United States] Summary File 4, Puerto Rico / United States Department of Commerce. Bureau of the Census. [electronic resource].

Chicago (17e ed.) Bronvermelding

Census of Population and Housing, 2000 [United States] Summary File 4, Puerto Rico / United States Department of Commerce. Bureau of the Census. [electronic Resource]. 2004.

MLA (9e ed.) Bronvermelding

Census of Population and Housing, 2000 [United States] Summary File 4, Puerto Rico / United States Department of Commerce. Bureau of the Census. [electronic Resource]. 2004.