APA-referens (7:e uppl.)

Bernstein, R. A. (1992). An introduction to political science methods (3rd ed.). Prentice Hall.

Chicago-referens (17:e uppl.)

Bernstein, Robert A. An Introduction to Political Science Methods. 3rd ed. Englewood Cliffs: Prentice Hall, 1992.

MLA-referens (9:e uppl.)

Bernstein, Robert A. An Introduction to Political Science Methods. 3rd ed. Prentice Hall, 1992.