Hardgrave, R. L., Jr, & Hardgrave, R. L. (2001). Boats of Bengal: 18th century portraits by Balthazar Solvyns. Manohar.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHardgrave, Robert L., Jr, और Robert L. Hardgrave. Boats of Bengal: 18th Century Portraits by Balthazar Solvyns. Manohar, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHardgrave, Robert L., Jr, और Robert L. Hardgrave. Boats of Bengal: 18th Century Portraits by Balthazar Solvyns. Manohar, 2001.
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