Carin, A. A., & Sund, R. B. (1971). Developing questioning techniques: A self-concept approach. C. E. Merrill Pub. Co.
Citace podle Chicago (17th ed.)Carin, Arthur A., a Robert B. Sund. Developing Questioning Techniques: A Self-concept Approach. Columbus, Ohio: C. E. Merrill Pub. Co, 1971.
Citace podle MLA (8th ed.)Carin, Arthur A., a Robert B. Sund. Developing Questioning Techniques: A Self-concept Approach. C. E. Merrill Pub. Co, 1971.
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