APA aipamena

PATTERSON, T. E. (1990). The American Democracy Thomas E. Patterson. McGraw-Hill.

Chicago Style aipamena

PATTERSON, Thomas E. The American Democracy Thomas E. Patterson. McGraw-Hill, 1990.

MLA aipamena

PATTERSON, Thomas E. The American Democracy Thomas E. Patterson. McGraw-Hill, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.