APA (7th ed.) Zitazioa

Hadley, H. (1973). A free order: National goal and world goal. Greenwood Press.

Chicago Style (17th ed.) Zitazioa

Hadley, Hamilton. A Free Order: National Goal and World Goal. Westport, Conn.: Greenwood Press, 1973.

MLA (9th ed.) Zitazioa

Hadley, Hamilton. A Free Order: National Goal and World Goal. Greenwood Press, 1973.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.