APA-referens (7:e uppl.)

(2017). Preliminary study to investigate Salmonella sp. and E. Coli O157: H7 in ground beef sold in supermarkets in Puebla city, Mexico.

Chicago-referens (17:e uppl.)

Preliminary Study to Investigate Salmonella Sp. and E. Coli O157: H7 in Ground Beef Sold in Supermarkets in Puebla City, Mexico. 2017.

MLA-referens (8:e uppl.)

Preliminary Study to Investigate Salmonella Sp. and E. Coli O157: H7 in Ground Beef Sold in Supermarkets in Puebla City, Mexico. 2017.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.