Tohutoro APA (7th ed.)

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

Tohutoru Kātū Chicago (17th ed.)

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

Tohutoro MLA (9th ed.)

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