Παραπομπή APA

D S Callins, J F Gracey, & R J Huey. (1999). Meat hygiene (10.). Philadeiphia.

Παραπομπή Chicago Style

D S Callins, J F Gracey, και R J Huey. Meat Hygiene. 10. Philadeiphia, 1999.

Παραπομπή MLA

D S Callins, et al. Meat Hygiene. 10. Philadeiphia, 1999.