Burchfield, J., Jacobs, M., & Kokrda, K. (1997). Photography in focus (Fifth edition.). NTC Pub. Group.
Chicagoスタイル(17版)引用形式Burchfield, Jerry, Mark Jacobs, , Ken Kokrda. Photography in Focus. Fifth edition. Lincolnwood, Ill.: NTC Pub. Group, 1997.
MLA(8版)引用形式Burchfield, Jerry, et al. Photography in Focus. Fifth edition. NTC Pub. Group, 1997.
警告: この引用は必ずしも正確ではありません.