1. Anonymous, 1975. The winged bean: a high-protein crop for the tropics. National Academy of Sciences, Washington, DC.
2. Burkill, I. H., 1906. Goa beans in India. Agriculture Ledger No. 4: 101–114.
3. Ford, E., 1973. Papua New Guinea. The land and the people. Jacaranda Press.
4. Hughes, I., 1973. Stone-age trade in the New Guinea island-historical geography without history. In: The Pacific in transition. Edward Arnold, p. 97–126.
5. Khan, T. N. & A. Claydon, 1975. Role of induced mutation in the improvement of a potential new source of protein — Winged bean (Phosphocarpus tetragonolobus (L) Dc). Third Research Coordination Meeting FAO/IAEA/GSF Seed Protein Improvement Programme, Hahnenklee 5–9 May, 1975. International Atomic Energy Agency, Vienna.