Kessy, J. F. (1998). Conservation and utilization of natural resources in the east Usambara forest reserves: Conventional views and local perspectives. Wageningen Agricultural University.
Chicago-Zitierstil (17. Ausg.)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.
MLA-Zitierstil (8. Ausg.)Kessy, John Francis. Conservation and Utilization of Natural Resources in the East Usambara Forest Reserves: Conventional Views and Local Perspectives. Wageningen Agricultural University, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.