Butler, Y. J. (2005). The Advanced digital photographer's workbook: Professionals creating and outputting world-class images. Focal Press.
Trích dẫn kiểu ChicagoButler, Yvonne J. The Advanced Digital Photographer's Workbook: Professionals Creating and Outputting World-class Images. Boston: Focal Press, 2005.
Trích dẫn MLAButler, Yvonne J. The Advanced Digital Photographer's Workbook: Professionals Creating and Outputting World-class Images. Focal Press, 2005.
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