Kelaidis, G. M. (2007). Hardy succulents: Tough plants for every climate. Storey Pub..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKelaidis, Gwen Moore. Hardy Succulents: Tough Plants for Every Climate. North Adams, MA: Storey Pub., 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKelaidis, Gwen Moore. Hardy Succulents: Tough Plants for Every Climate. Storey Pub., 2007.
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