Thomas, F. W. (1927). Principles and technique of teaching: An introduction to the study of the teaching art. Houghton Miiflin and Company.
Chicago-referens (17:e uppl.)Thomas, Frank Waters. Principles and Technique of Teaching: An Introduction to the Study of the Teaching Art. New York: Houghton Miiflin and Company, 1927.
MLA-referens (9:e uppl.)Thomas, Frank Waters. Principles and Technique of Teaching: An Introduction to the Study of the Teaching Art. Houghton Miiflin and Company, 1927.
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