Παραπομπή σε μορφή APA (7η εκδ.)

Delgado, C. L. (1978). An investigation of the lack of mixed farming in the West African Savannah: A farming systems approach for Tenkodogo, Upper Volta. Center for Research on Economic Development, University of Michigan.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Delgado, Christopher Linn. An Investigation of the Lack of Mixed Farming in the West African Savannah: A Farming Systems Approach for Tenkodogo, Upper Volta. Ann Arbor: Center for Research on Economic Development, University of Michigan, 1978.

Παραπομπή σε μορφή MLA (8th εκδ.)

Delgado, Christopher Linn. An Investigation of the Lack of Mixed Farming in the West African Savannah: A Farming Systems Approach for Tenkodogo, Upper Volta. Center for Research on Economic Development, University of Michigan, 1978.