Thomas, G. S. (1983). Graham Stuart Thomas' Three gardens of pleasant flowers: With notes on their design, maintenance, and plants. Collingridge.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThomas, Graham Stuart. Graham Stuart Thomas' Three Gardens of Pleasant Flowers: With Notes on Their Design, Maintenance, and Plants. England: Collingridge, 1983.
एमएलए (9वां संस्करण) प्रशस्ति पत्रThomas, Graham Stuart. Graham Stuart Thomas' Three Gardens of Pleasant Flowers: With Notes on Their Design, Maintenance, and Plants. Collingridge, 1983.
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