Citazione Stile APA (7a Edizione)

Weijenberg Jan, 1. (1993). Revitalizing agricultural research in the Sahel: A proposed framework for action. World Bank.

Citazione stile Chigago Style (17a edizione)

Weijenberg Jan, 1937. Revitalizing Agricultural Research in the Sahel: A Proposed Framework for Action. Washington, D.C: World Bank, 1993.

Citatione MLA (9a ed.)

Weijenberg Jan, 1937. Revitalizing Agricultural Research in the Sahel: A Proposed Framework for Action. World Bank, 1993.