Pennings, P. (2006). Doing research in political science (2nd ed.). Sage.
Style de citation Chicago (17e éd.)Pennings, Paul. Doing Research in Political Science. 2nd ed. London ; Thousand Oaks, Calif: Sage, 2006.
Style de citation MLA (9e éd.)Pennings, Paul. Doing Research in Political Science. 2nd ed. Sage, 2006.
Attention : ces citations peuvent ne pas être correctes à 100%.