Template:Bissiengou et al., 2014
- Bissiengou, P., Chatrou, L.W., Banak, L.N. & Sosef, M.S.M. 2014. Taxonomic revision of the continental African species of Campylospermum Tiegh. (Ochnaceae). Pp. 39–229 in Bissiengou, P., Systematics, evolution and historical biogeography of the family Ochnaceae with emphasis on the genus Campylospermum. PhD thesis, Wageningen University, Wageningen, NL. ISBN 978-94-6257-222-5. ResearchGate