Gaya APA

Case, K, E., Fair, R, C. (2007). PRINSIP-PRINSIP EKONOMI (Jilid 2) (8). : .

Gaya MLA

Case, Karl, E.., Fair, Ray, C.. "PRINSIP-PRINSIP EKONOMI (Jilid 2)". 8 : , 2007. Text.