Tohutoro APA (7th ed.)
Wileman, R. E. (1980). Exercises in visual thinking. Hastings House Publishers.
Tohutoru Kātū Chicago (17th ed.)
Wileman, Ralph E. Exercises in Visual Thinking. New York: Hastings House Publishers, 1980.
Tohutoro MLA (9th ed.)
Wileman, Ralph E. Exercises in Visual Thinking. Hastings House Publishers, 1980.
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