APA način citiranja (7. izdanje)

Pennings, P. (2006). Doing research in political science (2nd ed.). Sage.

Čikaški stil citiranja (17. izdanje)

Pennings, Paul. Doing Research in Political Science. 2nd ed. London ; Thousand Oaks, Calif: Sage, 2006.

MLA način citiranja (9. izdanje)

Pennings, Paul. Doing Research in Political Science. 2nd ed. Sage, 2006.