Gosline, G., Ndam, N., Cable, S., & Cheek, M. (2025). Placodiscus bijugus (Sapindaceae) a new species of Endangered lowland evergreen forest tree from the western foothills of Mt Cameroon and from Korup National Park, Cameroon. Kew Bulletin: Official Journal of the Royal Botanic Gardens, Kew, 1-11. https://doi.org/10.1007/s12225-024-10235-y
Chicago-referens (17:e uppl.)Gosline, George, Nouhou Ndam, Stuart Cable, och Martin Cheek. "Placodiscus Bijugus (Sapindaceae) a New Species of Endangered Lowland Evergreen Forest Tree from the Western Foothills of Mt Cameroon and from Korup National Park, Cameroon." Kew Bulletin: Official Journal of the Royal Botanic Gardens, Kew 2025: 1-11. https://doi.org/10.1007/s12225-024-10235-y.
MLA-referens (9:e uppl.)Gosline, George, et al. "Placodiscus Bijugus (Sapindaceae) a New Species of Endangered Lowland Evergreen Forest Tree from the Western Foothills of Mt Cameroon and from Korup National Park, Cameroon." Kew Bulletin: Official Journal of the Royal Botanic Gardens, Kew, 2025, pp. 1-11, https://doi.org/10.1007/s12225-024-10235-y.
