Irwin, L. W., & Mayshark, C. (1964). Health education in secondary schools. Saint Louis: The C. V. Mosby company.
Styl ChicagoIrwin, Leslie W., a Cyrus Mayshark. Health Education in Secondary Schools. Saint Louis: The C. V. Mosby company, 1964.
Citace podle MLAIrwin, Leslie W., a Cyrus Mayshark. Health Education in Secondary Schools. Saint Louis: The C. V. Mosby company, 1964.
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