Heyne, K. 1987. Tumbuhan Berguna Indonesia2: 1060-63. Badan Penelitian dan Pengembangan Kehutanan, Bogor. (sebagai V. sinensis. Edisi 1916: 342)
biodiversitylibrary.org
Linne, C. von. 1753. Species plantarum :exhibentes plantas rite cognitas, ad genera relatas, cum differentiis specificis, ...2: 725. Holmiae : Impensis Laurentii Salvii
proseanet.org
Pandey, R.K. & E. Westphal. 1989. Vigna unguiculata (L.) Walp.Diarsipkan 2021-01-16 di Wayback Machine. In: L.J.G. van der Maesen & S. Somaatmadja (Editors). Plant Resources of South-East Asia No. 1: Pulses. [Internet] Record from Proseabase, PROSEA (Plant Resources of South-East Asia) Foundation, Bogor, Indonesia. Diakses pada: 19-Aug-2013
purdue.edu
hort.purdue.edu
Fery R. 2002. New opportunities in Vigna. In: Jannick and A. Whipkey (eds.). Trends in new crops and new uses. ASHS Press, Alexandria, VA.
web.archive.org
Pandey, R.K. & E. Westphal. 1989. Vigna unguiculata (L.) Walp.Diarsipkan 2021-01-16 di Wayback Machine. In: L.J.G. van der Maesen & S. Somaatmadja (Editors). Plant Resources of South-East Asia No. 1: Pulses. [Internet] Record from Proseabase, PROSEA (Plant Resources of South-East Asia) Foundation, Bogor, Indonesia. Diakses pada: 19-Aug-2013