APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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