APA aipamena

Rockwell, S. J. (2001). American government: Competition and compromise. Boston: McGraw-Hill.

Chicago Style aipamena

Rockwell, Stephen J. American Government: Competition and Compromise. Boston: McGraw-Hill, 2001.

MLA aipamena

Rockwell, Stephen J. American Government: Competition and Compromise. Boston: McGraw-Hill, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.