APA-referens (7:e uppl.)

Okamoto, S. (1970). The Japanese oligarchy and the Russo-Japanese war. Columbia University Press.

Chicago-referens (17:e uppl.)

Okamoto, Shumpei. The Japanese Oligarchy and the Russo-Japanese War. New York: Columbia University Press, 1970.

MLA-referens (9:e uppl.)

Okamoto, Shumpei. The Japanese Oligarchy and the Russo-Japanese War. Columbia University Press, 1970.