Robbins, Martha M. Gorillas, Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society;
http://www.berggorilla.org/fileadmin/user_upload/pdf/journal/gorilla-journal-53-deutsch.pdf (出版社版)
Robbins, M. M. (2016). Habituierung in Loango = Gorilla habituation for research and tourism in Loango National Park. Gorilla-Journal: Zeitschrift der Berggorilla- & Regenwald-Direkthilfe, 9-9.