Letter and comments
Tài liệu tham khảo
Dodge, E.S. 1943. Gourd Growers of the South Seas. Gourd Society of America. Boston, Massachusetts.
Heiser, C.B. 1979. The Gourd Book. Norman, Oklahoma
Prendergast, H.D.V. and D.S. Decker-Walters. 2000. Plant portraits: Preserving the gourd perspective (Lagenaria siceraria (Molina) Standl.[Cucurbitaceae]). Economic Botany 54:424–426.