Morgan, L. S., & Tyler, E. N. (1947). Changing Concepts in Public Health Education.
Čikaški stil citiranjaMorgan, Lucy S., i Eunice N. Tyler. Changing Concepts in Public Health Education. 1947.
MLA način citiranjaMorgan, Lucy S., i Eunice N. Tyler. Changing Concepts in Public Health Education. 1947.
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