ENGELS, J.M.M. 1983. Variation in Sechium edule in Central America. J. Amer. Soc. Hort. Sci. 108(5): 706-710.
MAFFIOLI, A. 1981. Recursos genéticos de Sechium edule (Jacq.) Swartz. CATIE, Turrialba, Costa Rica, 151p.
HERKLOTS, G.A.C. 1972. Vegetables in South-east Asia. South China Morning Post Ltd., Hong Kong, 525 p.
WHITAKER, T.W., G.N. DAVIS. 1962. Cucurbits. Botany, cultivation, and utilization. Interscience Pub., Inc., New York, U.S.A, 250 p.