APA (7th ed.) Zitazioa
Spencer, D. A. (1973). The Focal Dictionary of photographic technologies. Focal Pr.
Chicago Style (17th ed.) Zitazioa
Spencer, Douglas Arthur. The Focal Dictionary of Photographic Technologies. London, New York: Focal Pr, 1973.
MLA (9th ed.) Zitazioa
Spencer, Douglas Arthur. The Focal Dictionary of Photographic Technologies. Focal Pr, 1973.
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