Lua APA (7ú heag.)

O'Connor, K., & Sabato, L. (1999). American government: Continuity and change (1999 ed.). Allyn and Bacon.

Lua i Stíl Chicago (17ú heag.)

O'Connor, Karen, agus Larry Sabato. American Government: Continuity and Change. 1999 ed. Boston: Allyn and Bacon, 1999.

Lua MLA (9ú heag.)

O'Connor, Karen, agus Larry Sabato. American Government: Continuity and Change. 1999 ed. Allyn and Bacon, 1999.

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