1. J. F. Morton, Otaheite Gooseberry, in: Fruits of Warm Climates, Florida Flair Books, Miami, 1987, p. 217.
2. Tropical Plants Database, Ken Fern, 2014.
3. T. K. Lim, Edible Medicinal and Non-Medicinal Plants, Springer, The Netherlands, 2012, pp. 252–257.
4. R. H. M. J. Lemmens, N. Buntapraphatsara, and L. S. De Padua, Plant Resources of South East Asia (No. 12). Medicinal and Poisonous Plants 1. Prosea Publication Office, Indonesia, 1999, 386 pp.
5. C. Orwa, A. Mutua, R. Kindt, R. Jamnadass, and S. Anthony, Agroforestree Database: a Tree Reference and Selection Guide Version 4.0, 2009 (http://www.worldagroforestry.org/sites/treedbs/treedatabases.asp).