Burchfield, J., Jacobs, M., & Kokrda, K. (1997). Photography in focus (Fifth edition.). NTC Pub. Group.
芝加哥风格引文Burchfield, Jerry, Mark Jacobs, 与 Ken Kokrda. Photography in Focus. Fifth edition. Lincolnwood, Ill.: NTC Pub. Group, 1997.
MLA引文Burchfield, Jerry, et al. Photography in Focus. Fifth edition. NTC Pub. Group, 1997.
警告：这些引文格式不一定是100％准确.