Fricker, L. J. Historic gardens and landscapes: The conservation of a national asset. Town Planning Review.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFricker, Laurence J. "Historic Gardens and Landscapes: The Conservation of a National Asset." Town Planning Review .
एमएलए (9वां संस्करण) प्रशस्ति पत्रFricker, Laurence J. "Historic Gardens and Landscapes: The Conservation of a National Asset." Town Planning Review, .
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