Não informado. (1981). Dairy and food sanitation. International Association of Milk, Food and Environmental Sanitarians.
Chicago-Zitierstil (17. Ausg.)Não informado. Dairy and Food Sanitation. Ames, Iowa: International Association of Milk, Food and Environmental Sanitarians, 1981.
MLA-Zitierstil (8. Ausg.)Não informado. Dairy and Food Sanitation. International Association of Milk, Food and Environmental Sanitarians, 1981.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.