Lusigi, W. J. (1978). Planning human activities on protected natural ecosystems: The conservation unit approach to the planning and management of national parks and reserves in Kenya, based on the Nairobi National Park Ecosystem. J. Cramer.
Chicago-referens (17:e uppl.)Lusigi, Walter Jami. Planning Human Activities on Protected Natural Ecosystems: The Conservation Unit Approach to the Planning and Management of National Parks and Reserves in Kenya, Based on the Nairobi National Park Ecosystem. Vaduz: J. Cramer, 1978.
MLA-referens (8:e uppl.)Lusigi, Walter Jami. Planning Human Activities on Protected Natural Ecosystems: The Conservation Unit Approach to the Planning and Management of National Parks and Reserves in Kenya, Based on the Nairobi National Park Ecosystem. J. Cramer, 1978.