Howcroft, H., & Majerus, M. (2015). First ladies of gardening: Pioneers, designers and dreamers. Frances Lincoln Limited.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHowcroft, Heidi, और Marianne Majerus. First Ladies of Gardening: Pioneers, Designers and Dreamers. London: Frances Lincoln Limited, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHowcroft, Heidi, और Marianne Majerus. First Ladies of Gardening: Pioneers, Designers and Dreamers. Frances Lincoln Limited, 2015.
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