APA-referens (7:e uppl.)

Nagle, J. D. (1985). Introduction to comparative politics: Political system performance in three worlds. Nelson - Hall.

Chicago-referens (17:e uppl.)

Nagle, John D. Introduction to Comparative Politics: Political System Performance in Three Worlds. Chicago: Nelson - Hall, 1985.

MLA-referens (9:e uppl.)

Nagle, John D. Introduction to Comparative Politics: Political System Performance in Three Worlds. Nelson - Hall, 1985.