(1988). African mountains and highlands: Proceedings of an international workshop organized by the Commission on Mountain Geoecology of the International Geographical Union (IGU) on behalf of the United Nations University, Addis Ababa, Ethiopia, 18 - 26 October 1986. Internat. Mountain Soc.
Chicago-Zitierstil (17. Ausg.)African Mountains and Highlands: Proceedings of an International Workshop Organized by the Commission on Mountain Geoecology of the International Geographical Union (IGU) on Behalf of the United Nations University, Addis Ababa, Ethiopia, 18 - 26 October 1986. Boulder, Colo: Internat. Mountain Soc, 1988.
MLA-Zitierstil (9. Ausg.)African Mountains and Highlands: Proceedings of an International Workshop Organized by the Commission on Mountain Geoecology of the International Geographical Union (IGU) on Behalf of the United Nations University, Addis Ababa, Ethiopia, 18 - 26 October 1986. Internat. Mountain Soc, 1988.