Cita APA (7a ed.)
Ridder, N. d., & Breman, H. (1993). A new approach to evaluating rangeland productivity in Sahelian countries. Overseas Development Institute.
Cita Chicago Style (17a ed.)
Ridder, N.A. de, y H. Breman. A New Approach to Evaluating Rangeland Productivity in Sahelian Countries. Overseas Development Institute, 1993.
Cita MLA (9a ed.)
Ridder, N.A. de, y H. Breman. A New Approach to Evaluating Rangeland Productivity in Sahelian Countries. Overseas Development Institute, 1993.
Precaución: Estas citas no son 100% exactas.