Gaya APA

KILLOUGH, H, B, [, A., KILLOUGH, L, W. (1960). International economics . Princeton, New Jersey: D. Van Nostrand.

Gaya MLA

KILLOUGH, Hugh, B., [et, Al].., KILLOUGH, Lucy, W.(peng.bers).. "International economics". Princeton, New Jersey: D. Van Nostrand, 1960. Buku.