APA ציטוט

Onwueme, I. C. (1978). Tropical tuber crops: Yams, cassava, sweet potato and cocoyams. John Wiley & Sons INC.

Chicago Edition Citation

Onwueme, I C. Tropical Tuber Crops: Yams, Cassava, Sweet Potato and Cocoyams. NewYork: John Wiley & Sons INC, 1978.

ציטוט MLA

Onwueme, I C. Tropical Tuber Crops: Yams, Cassava, Sweet Potato and Cocoyams. John Wiley & Sons INC, 1978.