APA
Gerrard C. D., Posehn Greg D & Ansong Granville. (1993). Agricultural pricing policy in Eastern Africa. Washington, DC: World Bank.
Chicago
Gerrard Christopher D, Posehn Greg D and Ansong Granville. 1993. Agricultural pricing policy in Eastern Africa. Washington, DC: World Bank.
Harvard
Gerrard C. D., Posehn Greg D and Ansong Granville. (1993). Agricultural pricing policy in Eastern Africa. Washington, DC: World Bank.
MLA
Gerrard Christopher D, Posehn Greg D and Ansong Granville. Agricultural pricing policy in Eastern Africa. Washington, DC: World Bank. 1993.