Toensmeier, E. (2007). Perennial vegetables: From artichoke to 'zuiki' taro, a gardener's guide to over 100 delicious, easy-to-grow edibles. Chelsea Green Pub..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रToensmeier, Eric. Perennial Vegetables: From Artichoke to 'Zuiki' Taro, a Gardener's Guide to over 100 Delicious, Easy-to-grow Edibles. White River Junction, Vt.: Chelsea Green Pub., 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रToensmeier, Eric. Perennial Vegetables: From Artichoke to 'Zuiki' Taro, a Gardener's Guide to over 100 Delicious, Easy-to-grow Edibles. Chelsea Green Pub., 2007.
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