Salvato, J. A. (1976). Guide to sanitation in tourist establishments. World Health Organization.
Chicago-viite (17. p.)Salvato, Joseph A. Guide to Sanitation in Tourist Establishments. Ginebra: World Health Organization, 1976.
MLA-viite (9. p.)Salvato, Joseph A. Guide to Sanitation in Tourist Establishments. World Health Organization, 1976.
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