APA
International institute of tropical agriculture, . (1993). Sustainable food production in sub-saharan Africa. Hyderabad: International Institute of Tropical Agriculture.
Chicago
International institute of tropical agriculture, . 1993. Sustainable food production in sub-saharan Africa. Hyderabad: International Institute of Tropical Agriculture.
Harvard
International institute of tropical agriculture, . (1993). Sustainable food production in sub-saharan Africa. Hyderabad: International Institute of Tropical Agriculture.
MLA
International institute of tropical agriculture, . Sustainable food production in sub-saharan Africa. Hyderabad: International Institute of Tropical Agriculture. 1993.