Georges Gregory. (2002). 50 Fast Photoshop 7 Techniques (Photocopy) (In lần thứ 1.). New York.: Wiley Publishing.
Παραπομπή Chicago StyleGeorges Gregory. 50 Fast Photoshop 7 Techniques (Photocopy). In lần thứ 1. New York.: Wiley Publishing, 2002.
Παραπομπή MLAGeorges Gregory. 50 Fast Photoshop 7 Techniques (Photocopy). In lần thứ 1. New York.: Wiley Publishing, 2002.
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