APA
(1977). Roots and tubers. Abidjan: Food and Agriculture Organisation of the United Nation.
Chicago
1977. Roots and tubers. Abidjan: Food and Agriculture Organisation of the United Nation.
Harvard
(1977). Roots and tubers. Abidjan: Food and Agriculture Organisation of the United Nation.
MLA
Roots and tubers. Abidjan: Food and Agriculture Organisation of the United Nation. 1977.