Salvato, J. A. (1976). Guide to sanitation in tourist establishments. World Health Organization.
Citazione stile Chigago Style (17a edizione)Salvato, Joseph A. Guide to Sanitation in Tourist Establishments. Ginebra: World Health Organization, 1976.
Citatione MLA (9a ed.)Salvato, Joseph A. Guide to Sanitation in Tourist Establishments. World Health Organization, 1976.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.