(英語)Whitaker, Thomas W.; Bemis, W. P. (1975). “Origin and Evolution of the Cultivated Cucurbita”. Bulletin of the Torrey Botanical Club (New York: Torrey Botanical Society) 102 (6): 362–368. doi:10.2307/2484762. JSTOR2484762.
jstor.org
(英語)Whitaker, Thomas W.; Bemis, W. P. (1975). “Origin and Evolution of the Cultivated Cucurbita”. Bulletin of the Torrey Botanical Club (New York: Torrey Botanical Society) 102 (6): 362–368. doi:10.2307/2484762. JSTOR2484762.