GEBHARDT, S.E., R.H. MATTHEWS. 1981. Nutritive value of foods. USDA-HNIS, Home and Garden Bull. 72, U.S. Printing Office, Washington, D.C., U.S.A., 72 p.

HERKLOTS, G.A.C. 1972. Vegetables in South-East Asia. South China Morning Post Ltd., Hong Kong, 525 p.

SARLI, A.E. 1980. Tratado de Horticultura. Editorial Hemisferio Sur S.A., Buenos Aires, Argentina, 459 p.

TRONICKOVA, E. 1986. Plantes potagères. Gründ, Paris, Francia, 223 p.