APA (7th ed.) Zitazioa

Langdon, F. (1973). Japan's foreign policy. University of British Columbia Press.

Chicago Style (17th ed.) Zitazioa

Langdon, Frank. Japan's Foreign Policy. Vancouver, B.C.: University of British Columbia Press, 1973.

MLA (9th ed.) Zitazioa

Langdon, Frank. Japan's Foreign Policy. University of British Columbia Press, 1973.