Stone, M. F. (1960). The teacher who changed an industry ; a biography of Dr. Solomon S. Huebner of the University of Pennsylvania. R. D. Irwin.
Citace podle Chicago (17th ed.)Stone, Mildred F. The Teacher Who Changed an Industry ; a Biography of Dr. Solomon S. Huebner of the University of Pennsylvania. Homewood, Ill: R. D. Irwin, 1960.
Citace podle MLA (9th ed.)Stone, Mildred F. The Teacher Who Changed an Industry ; a Biography of Dr. Solomon S. Huebner of the University of Pennsylvania. R. D. Irwin, 1960.
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