Willetts, W. (1981). Chinese calligraphy, its history and aesthetic motivation: The record of an exhibition of Chinese calligraphic art held in the University of Malaya from 17 October to 10 November 1977. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilletts, William. Chinese Calligraphy, Its History and Aesthetic Motivation: The Record of an Exhibition of Chinese Calligraphic Art Held in the University of Malaya from 17 October to 10 November 1977. Hongkong: Oxford University Press, 1981.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWilletts, William. Chinese Calligraphy, Its History and Aesthetic Motivation: The Record of an Exhibition of Chinese Calligraphic Art Held in the University of Malaya from 17 October to 10 November 1977. Oxford University Press, 1981.
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