Burchfield, J., Jacobs, M., Kokrda, K., & Johnson, R. (1997). Photography in focus (5th ed.). NTC Publishing Group.
Citace podle Chicago (17th ed.)Burchfield, Jerry, Mark Jacobs, Ken Kokrda, a Robert Johnson. Photography in Focus. 5th ed. Lincolnwood, Ill: NTC Publishing Group, 1997.
Citace podle MLA (9th ed.)Burchfield, Jerry, et al. Photography in Focus. 5th ed. NTC Publishing Group, 1997.
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