Clark, J. S., Hicks, M. D., & Perry, W. S. (1888). Teacher's manual for Prang's shorter course in form study and drawing. The Prang Educational Company.
Citace podle Chicago (17th ed.)Clark, John Spencer, Mary Dana Hicks, a Walter Scott Perry. Teacher's Manual for Prang's Shorter Course in Form Study and Drawing. Boston: The Prang Educational Company, 1888.
Citace podle MLA (8th ed.)Clark, John Spencer, et al. Teacher's Manual for Prang's Shorter Course in Form Study and Drawing. The Prang Educational Company, 1888.
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