APA aipamena

Babb, J., & Manheim, J. B. (2012). Empirical political analysis. Sydney: Pearson.

Chicago Style aipamena

Babb, James, và Jarol B. Manheim. Empirical Political Analysis. Sydney: Pearson, 2012.

MLA aipamena

Babb, James, và Jarol B. Manheim. Empirical Political Analysis. Sydney: Pearson, 2012.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.