State of the world's birds case studies
Evans, M. I. and Fishpool, L. D. C. (2001) Important Bird Areas in Africa and Associated Islands: Priority Sites for Conservation. Pisces Publications; Cambridge: Birdlife International, 2001.
BirdLife International (2014) Country profile: Cameroon. Available from: http://www.birdlife.org/datazone/country/cameroon. Checked: 2014-09-01