Young Men's Christian Associations of North America. International Committee, Clark, W., Tipper, H., Roe, J. W., & Polakov, W. N. (1921). Foremanship: The standard course of the United Y. M. C. A. Schools. Association Press.
Citace podle Chicago (17th ed.)Young Men's Christian Associations of North America. International Committee, Wallace Clark, Harry Tipper, Joseph Wickham Roe, a Walter Nicholas Polakov. Foremanship: The Standard Course of the United Y. M. C. A. Schools. [New York: Association Press, 1921.
Citace podle MLA (8th ed.)Young Men's Christian Associations of North America. International Committee, et al. Foremanship: The Standard Course of the United Y. M. C. A. Schools. Association Press, 1921.
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