Davis, P. (1990). Photography (6th ed.). W.C. Brown.
Lua i Stíl Chicago (17ú heag.)Davis, Phil. Photography. 6th ed. Dubuque, Iowa: W.C. Brown, 1990.
Lua MLA (9ú heag.)Davis, Phil. Photography. 6th ed. W.C. Brown, 1990.
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