APA ציטוט

(1992). Indigenous integrated farming systems in the Sahel. Washington, D. C: World Bank.

Trích dẫn kiểu Chicago

Indigenous Integrated Farming Systems in the Sahel. Washington, D. C: World Bank, 1992.

ציטוט MLA

Indigenous Integrated Farming Systems in the Sahel. Washington, D. C: World Bank, 1992.