Schwab, J. J. (1967). Biology teachers' handbook (7th ptg.). John Wiley and Sons, Inc..
Chicago Style (17th ed.) CitationSchwab, Joseph J. Biology Teachers' Handbook. 7th ptg. New York: John Wiley and Sons, Inc., 1967.
MLA (9th ed.) CitationSchwab, Joseph J. Biology Teachers' Handbook. 7th ptg. John Wiley and Sons, Inc., 1967.
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