APA引文

Barros, J. (1970). The League of Nations and the great powers: The Greek-Bulgarian incident, 1925. Clarendon P..

芝加哥风格引文

Barros, James. The League of Nations and the Great Powers: The Greek-Bulgarian Incident, 1925. Oxford: Clarendon P., 1970.

MLA引文

Barros, James. The League of Nations and the Great Powers: The Greek-Bulgarian Incident, 1925. Clarendon P., 1970.