Gaya APA

Case, K, E. et al (2007). Prinsip- prinsip Ekonomi: Jilid 2 (8th. Ed). Jakarta`: Erlanga.

Gaya MLA

Case, Karl, E.. et al. "Prinsip- prinsip Ekonomi: Jilid 2". 8th. Ed Jakarta`: Erlanga, 2007. Text.