London,, S. (1998). Adobe Photoshop 4: Interactive course (With CD-ROM). Techmedia.
Citación estilo ChicagoLondon,, Sherry. Adobe Photoshop 4: Interactive Course (With CD-ROM). New Delhi: Techmedia, 1998.
Cita MLALondon,, Sherry. Adobe Photoshop 4: Interactive Course (With CD-ROM). Techmedia, 1998.
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