Gaya APA

Al-Ghazali, A., Sukardi, T. (2002). Sejarah Amerika 2 . Purwoketo, FKIP UMP: Gadjah Mada University Press.

Gaya MLA

Al-Ghazali, Al-Imam., Sukardi, Tanto. "Sejarah Amerika 2". Purwoketo, FKIP UMP: Gadjah Mada University Press, 2002. Text.