Παραπομπή σε μορφή APA (7η εκδ.)

Baland, J., & Olson, M. (1996). Halting degradation of natural resources: Is there a role for rural communities? Oxford University Press ; Food and Agriculture Organization of the United Nations.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Baland, Jean-Marie, και Mancur Olson. Halting Degradation of Natural Resources: Is There a Role for Rural Communities? New York : Rome: Oxford University Press ; Food and Agriculture Organization of the United Nations, 1996.

Παραπομπή σε μορφή MLA (8th εκδ.)

Baland, Jean-Marie, και Mancur Olson. Halting Degradation of Natural Resources: Is There a Role for Rural Communities? Oxford University Press ; Food and Agriculture Organization of the United Nations, 1996.