Russell A. Mittermeier; Christoph Schwitzer; Anthony B. Rylands; Lucy A. Taylor; Federica Chiozza; Elizabeth A. Williamson; Janette Wallis (eds.). "Primates in Peril: The World's 25 Most Endangered Primates 2012– 2014"(PDF). IUCN/SSC Primate Specialist Group (PSG), International Primatological Society (IPS), Conservation International (CI), and Bristol Conservation and Science Foundation, Bristol, UK. 40 pp. Archived from the original(PDF) on 21 October 2013. Retrieved 25 October 2013.
Wittiger, L. & Sunderland-Groves, J. (2007), "Tool use during display behavior in wild cross river gorillas", American Journal of Primatology, 69 (11): 1307–1311, doi:10.1002/ajp.20436, PMID17410549, S2CID19084217
Sunderland-Groves, J. L.; A. Ekinde; H. Mboh (17 February 2009). "Nesting Behavior of Gorilla gorilla diehli at Kagwene Mountain, Cameroon: Implications for Assessing Group Size and Density". International Journal of Primatology. 30 (2): 253–266. doi:10.1007/s10764-009-9340-7. S2CID41333607.
De Vere, Ruth; Ymke Warren; Nicholas, Aaron; MacKenzie, Mary E.; Higham, James P. (24 September 2010). "Nest site ecology of the cross river gorilla at the Kagwene Gorilla Sanctuary, Cameroon, with special reference to anthropogenic influence". American Journal of Primatology. 73 (3): 253–261. doi:10.1002/ajp.20886. PMID20872882. S2CID6426172.
Colding, J.; Folke, C. (1997). "The relations among threatened species, their protection, and taboos". Conservation Ecology. 1: 6. doi:10.5751/ES-00018-010106. S2CID53519093.
Wittiger, L. & Sunderland-Groves, J. (2007), "Tool use during display behavior in wild cross river gorillas", American Journal of Primatology, 69 (11): 1307–1311, doi:10.1002/ajp.20436, PMID17410549, S2CID19084217
De Vere, Ruth; Ymke Warren; Nicholas, Aaron; MacKenzie, Mary E.; Higham, James P. (24 September 2010). "Nest site ecology of the cross river gorilla at the Kagwene Gorilla Sanctuary, Cameroon, with special reference to anthropogenic influence". American Journal of Primatology. 73 (3): 253–261. doi:10.1002/ajp.20886. PMID20872882. S2CID6426172.
Wittiger, L. & Sunderland-Groves, J. (2007), "Tool use during display behavior in wild cross river gorillas", American Journal of Primatology, 69 (11): 1307–1311, doi:10.1002/ajp.20436, PMID17410549, S2CID19084217
Sunderland-Groves, J. L.; A. Ekinde; H. Mboh (17 February 2009). "Nesting Behavior of Gorilla gorilla diehli at Kagwene Mountain, Cameroon: Implications for Assessing Group Size and Density". International Journal of Primatology. 30 (2): 253–266. doi:10.1007/s10764-009-9340-7. S2CID41333607.
De Vere, Ruth; Ymke Warren; Nicholas, Aaron; MacKenzie, Mary E.; Higham, James P. (24 September 2010). "Nest site ecology of the cross river gorilla at the Kagwene Gorilla Sanctuary, Cameroon, with special reference to anthropogenic influence". American Journal of Primatology. 73 (3): 253–261. doi:10.1002/ajp.20886. PMID20872882. S2CID6426172.
Colding, J.; Folke, C. (1997). "The relations among threatened species, their protection, and taboos". Conservation Ecology. 1: 6. doi:10.5751/ES-00018-010106. S2CID53519093.
squarespace.com
primates.squarespace.com
Nicholas, A.; Dunn, A.; Warren, Y.; Bergl, R.; Sunderland-Groves, J.; Nkembi, L.; Morgan, B. (2008). "Cross River Gorilla"(PDF). Primates.squarespace. Retrieved 21 October 2013.
Russell A. Mittermeier; Christoph Schwitzer; Anthony B. Rylands; Lucy A. Taylor; Federica Chiozza; Elizabeth A. Williamson; Janette Wallis (eds.). "Primates in Peril: The World's 25 Most Endangered Primates 2012– 2014"(PDF). IUCN/SSC Primate Specialist Group (PSG), International Primatological Society (IPS), Conservation International (CI), and Bristol Conservation and Science Foundation, Bristol, UK. 40 pp. Archived from the original(PDF) on 21 October 2013. Retrieved 25 October 2013.