Ison, G. (2009). Hardcastle's mandarin: A Hardcastle and Marriott historical mystery. Severn House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIson, Graham. Hardcastle's Mandarin: A Hardcastle and Marriott Historical Mystery. Sutton: Severn House, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रIson, Graham. Hardcastle's Mandarin: A Hardcastle and Marriott Historical Mystery. Severn House, 2009.
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