Kessy, J. F. (1998). Conservation and utilization of natural resources in the east Usambara forest reserves: Conventional views and local perspectives. Wageningen Agricultural University.
Style de citation Chicago (17e éd.)Kessy, John Francis. Conservation and Utilization of Natural Resources in the East Usambara Forest Reserves: Conventional Views and Local Perspectives. Wageningen: Wageningen Agricultural University, 1998.
Style de citation MLA (8e éd.)Kessy, John Francis. Conservation and Utilization of Natural Resources in the East Usambara Forest Reserves: Conventional Views and Local Perspectives. Wageningen Agricultural University, 1998.
Attention : ces citations peuvent ne pas être correctes à 100%.