Bernstein, R. A., & Dyer, J. A. [ca. 1984]. An introduction to political science methods (2. ed.) [Book]. Englewood Cliffs, NJ: Prentice Hall.

BERNSTEIN, Robert A. und DYER, James A., 1984. An introduction to political science methods. 2. ed. Englewood Cliffs, NJ: Prentice Hall.

Bernstein, R. A., und J. A. Dyer. An introduction to political science methods. 2. ed., book, Prentice Hall, 1984.

Bernstein, Robert A./Dyer, James A.: An introduction to political science methods, 2. ed. Aufl. Englewood Cliffs, NJ 1984.

Bernstein, R.A. und Dyer, J.A. (1984), An introduction to political science methods, 2. ed., Bd. , Prentice Hall, Englewood Cliffs, NJ.