APA aipamena

United States. Bureau of the Census. Geography Division., & United States. Bureau of the Census. (2003). Congressional districts of the 108th Congress of the United States (January 2003 to 2005). [Washington, D.C.]: U.S. Dept. of Commerce, Bureau of the Census.

Chicago Style aipamena

United States. Bureau of the Census. Geography Division., and United States. Bureau of the Census. Congressional Districts of the 108th Congress of the United States (January 2003 to 2005). [Washington, D.C.]: U.S. Dept. of Commerce, Bureau of the Census, 2003.

MLA aipamena

United States. Bureau of the Census. Geography Division., and United States. Bureau of the Census. Congressional Districts of the 108th Congress of the United States (January 2003 to 2005). [Washington, D.C.]: U.S. Dept. of Commerce, Bureau of the Census, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.