Burchfield, J., Jacobs, M., & Kokrda, K. (1997). Photography in focus (Fifth edition.). NTC Pub. Group.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBurchfield, Jerry, Mark Jacobs, और Ken Kokrda. Photography in Focus. Fifth edition. Lincolnwood, Ill.: NTC Pub. Group, 1997.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBurchfield, Jerry, et al. Photography in Focus. Fifth edition. NTC Pub. Group, 1997.
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