Paris, Harry S. (1989). Historical Records, Origins, and Development of the Edible Cultivar Groups of Cucurbita pepo (Cucurbitaceae). Economic Botany. New York Botanical Garden Press. 43 (4): 423—443. doi:10.1007/bf02935916. JSTOR4255187. S2CID29052282.
Decker, Deena S.; Wilson, Hugh D. (1987). Allozyme Variation in the Cucurbita pepo Complex: C. pepo var. ovifera vs. C. texana. Systematic Botany. American Society of Plant Taxonomists. 12 (2): 263—273. doi:10.2307/2419320. JSTOR2419320.
Paris, Harry S. (1989). Historical Records, Origins, and Development of the Edible Cultivar Groups of Cucurbita pepo (Cucurbitaceae). Economic Botany. New York Botanical Garden Press. 43 (4): 423—443. doi:10.1007/bf02935916. JSTOR4255187. S2CID29052282.
Decker, Deena S.; Wilson, Hugh D. (1987). Allozyme Variation in the Cucurbita pepo Complex: C. pepo var. ovifera vs. C. texana. Systematic Botany. American Society of Plant Taxonomists. 12 (2): 263—273. doi:10.2307/2419320. JSTOR2419320.
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Cucurbita pepo. Missouri Botanical Garden. Архів оригіналу за 11 вересня 2013. Процитовано 2 вересня 2013.
Paris, Harry S. (1989). Historical Records, Origins, and Development of the Edible Cultivar Groups of Cucurbita pepo (Cucurbitaceae). Economic Botany. New York Botanical Garden Press. 43 (4): 423—443. doi:10.1007/bf02935916. JSTOR4255187. S2CID29052282.