Παραπομπή σε μορφή APA (7η εκδ.)

Curtis, M. Comparative government and politics: An introductory essay in political science. Harper.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Curtis, Michael. Comparative Government and Politics: An Introductory Essay in Political Science. New York: Harper.

Παραπομπή σε μορφή MLA (9th εκδ.)

Curtis, Michael. Comparative Government and Politics: An Introductory Essay in Political Science. Harper.