APA (7 वां संस्करण) प्रशस्ति पत्र

Burchfield, J., Jacobs, M., & Kokrda, K. (1997). Photography in focus (Fifth edition.). NTC Pub. Group.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Burchfield, Jerry, Mark Jacobs, और Ken Kokrda. Photography in Focus. Fifth edition. Lincolnwood, Ill.: NTC Pub. Group, 1997.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Burchfield, Jerry, et al. Photography in Focus. Fifth edition. NTC Pub. Group, 1997.