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.
Čikaški stil citiranja (17. izdanje)Young Men's Christian Associations of North America. International Committee, Wallace Clark, Harry Tipper, Joseph Wickham Roe, i Walter Nicholas Polakov. Foremanship: The Standard Course of the United Y. M. C. A. Schools. [New York: Association Press, 1921.
MLA način citiranja (8. izdanje)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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