APA Style

Nellis, J, G., Parker, D. (2000). The Essence of The Economy Ekonomi (ed. 1, cet. 1). Yogyakart: Andi.

MLA Style

Nellis, Joseph, G.., Parker, David. "The Essence of The Economy Ekonomi". ed. 1, cet. 1 Yogyakart: Andi, 2000. Text.