National association of biology teachers, Herzkowitz, I. A. e., & Collin, E. C. 1. e. (1938). The American biology teacher v.1-. The National Association of Biology teachers.
Style de citation Chicago (17e éd.)National association of biology teachers, I. Alexander ed Herzkowitz, et Edward Cecil 1890- ed Collin. The American Biology Teacher V.1-. [Lancaster, Pa.]: The National Association of Biology teachers, 1938.
Style de citation MLA (9e éd.)National association of biology teachers, et al. The American Biology Teacher V.1-. The National Association of Biology teachers, 1938.
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