Cita APA

(1989). An integrated model of perennial and annual crop production for Sub-Saharan countries. Washington, DC: The World Bank.

Citación estilo Chicago

An Integrated Model of Perennial and Annual Crop Production for Sub-Saharan Countries. Washington, DC: The World Bank, 1989.

Cita MLA

An Integrated Model of Perennial and Annual Crop Production for Sub-Saharan Countries. Washington, DC: The World Bank, 1989.