Gaya APA

Barley, K. (Hongkong : Dai Nippo). The Agronomy of annual crops . Hongkong : Dai Nippon, 1975: Hongkong : Dai Nippon, 1975.

Gaya MLA

Barley, KP. "The Agronomy of annual crops". Hongkong : Dai Nippon, 1975: Hongkong : Dai Nippon, 1975, Hongkong : Dai Nippo. Text.