Williams, J. F. (1941). Personal hygiene applied (7th ed., rev.). W. B. Saunders.
Chicago Style aipamenaWilliams, Jesse Feiring. Personal Hygiene Applied. 7th ed., rev. Philadelphia: W. B. Saunders, 1941.
MLA aipamenaWilliams, Jesse Feiring. Personal Hygiene Applied. 7th ed., rev. W. B. Saunders, 1941.
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