Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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