APA (7th ed.) Zitazioa

Lawson, K. (1989). The human polity: An introduction to political science (2nd ed.). Houghton.

Chicago Style (17th ed.) Zitazioa

Lawson, Kay. The Human Polity: An Introduction to Political Science. 2nd ed. Dallas: Houghton, 1989.

MLA (9th ed.) Zitazioa

Lawson, Kay. The Human Polity: An Introduction to Political Science. 2nd ed. Houghton, 1989.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.