Citazione Stile APA (7a Edizione)

Clark, R. C., Clark, R. C., & Lyons, C. C. Graphics for learning: Proven guidelines for planning, designing, and evaluating visuals in training materials.

Citazione stile Chigago Style (17a edizione)

Clark, Ruth Colvin, Ruth Colvin Clark, e Chopeta C. Lyons. Graphics for Learning: Proven Guidelines for Planning, Designing, and Evaluating Visuals in Training Materials.

Citatione MLA (9a ed.)

Clark, Ruth Colvin, et al. Graphics for Learning: Proven Guidelines for Planning, Designing, and Evaluating Visuals in Training Materials.