Duffy, A. C. (2013). Preserving with Pomona's pectin: The revolutionary low-sugar, high-flavor method for crafting and canning jams, jellies, conserves, and more. Fair Winds Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDuffy, Allison Carroll. Preserving with Pomona's Pectin: The Revolutionary Low-sugar, High-flavor Method for Crafting and Canning Jams, Jellies, Conserves, and More. Beverly, MA: Fair Winds Press, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDuffy, Allison Carroll. Preserving with Pomona's Pectin: The Revolutionary Low-sugar, High-flavor Method for Crafting and Canning Jams, Jellies, Conserves, and More. Fair Winds Press, 2013.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.