Hollingworth, H. L. (1930). Abnormal psychology; its concepts and theories. The Ronald press company.
Citace podle Chicago (17th ed.)Hollingworth, Harry L. Abnormal Psychology; Its Concepts and Theories. New York: The Ronald press company, 1930.
Citace podle MLA (8th ed.)Hollingworth, Harry L. Abnormal Psychology; Its Concepts and Theories. The Ronald press company, 1930.
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