Sagman, S. W. (1990). 1-2-3 graphics techniques. Carmel, IN: Que Corporation.
Čikaški stil citiranjaSagman, Stephen W. 1-2-3 Graphics Techniques. Carmel, IN: Que Corporation, 1990.
MLA način citiranjaSagman, Stephen W. 1-2-3 Graphics Techniques. Carmel, IN: Que Corporation, 1990.
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