Template:Verdcourt, Leroy & Tirvengadum, 1989
- Verdcourt, B., Leroy, J.-F. & Tirvengadum, D.D. 1989. Rubiacées. In: Bosser, J., Cadet, T., Guého, J. & Marais, W. (eds.), Flore des Mascareignes. Familles 107–108bis. 135 pp. The Sugar Industry Research Institute, Mauritius, l'Office de la Recherche Scientifique Outre-Mer, Paris, France & Royal Botanic Gardens, Kew, Richmond, United Kingdom. Google Books.