Marsh Kenneth, Bugusu Betty, & Institute of Food Technologists. Food Packaging and its environmental impact.
Chicago-referens (17:e uppl.)Marsh Kenneth, Bugusu Betty, och Institute of Food Technologists. Food Packaging and Its Environmental Impact.
MLA-referens (9:e uppl.)Marsh Kenneth, et al. Food Packaging and Its Environmental Impact.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.