DE WOLF, G.P., J.W. WILSON, T.E. ELTZROTH, K.D. WIDIN. 1987. Taylor( s guide to vegetables and herbs. Houghton Miffin CO., Boston, U.S.A., 479p.
GEBHARDT, S.E., R.H. MATTHEWS. 1981. Nutritive value of foods. USDA-HNIS, Home and Garden Bull. 72, U.S. Govern. Printing Office, Washington, DC, U.S.A., 72p..
SARLI, A.E. 1980. Tratado de horticultura. Editorial Hemisferio Sur S.A., Buenos Aires, Argentina, 459p.
WHITAKER, T.W., G.N. DAVIS. 1962. Cucurbits. Botany, cultivation, and utilization. InterScience Pub., New York, U.S.A., 250 p.