Hoag, E. B. (1909). Health studies: Applied physiology and hygiene. D.C. Heath & Co..
Lua i Stíl Chicago (17ú heag.)Hoag, Ernest Bryant. Health Studies: Applied Physiology and Hygiene. Boston: D.C. Heath & Co., 1909.
Lua MLA (8ú heag.)Hoag, Ernest Bryant. Health Studies: Applied Physiology and Hygiene. D.C. Heath & Co., 1909.
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