APA (7 वां संस्करण) प्रशस्ति पत्र
Clark, R. C., & Lyons, C. C. (2011). Graphics for learning: Proven guidelines for planning, designing, and evaluating visuals in training materials (2nd ed.). Pfeiffer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Clark, Ruth Colvin, और Chopeta C. Lyons. Graphics for Learning: Proven Guidelines for Planning, Designing, and Evaluating Visuals in Training Materials. 2nd ed. San Francisco: Pfeiffer, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Clark, Ruth Colvin, और Chopeta C. Lyons. Graphics for Learning: Proven Guidelines for Planning, Designing, and Evaluating Visuals in Training Materials. 2nd ed. Pfeiffer, 2011.
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