D S Collins & J F Gracey. (1999). Meat Hygiene (10.). Sydney.
Chicago Edition CitationD S Collins i J F Gracey. Meat Hygiene. 10. Sydney, 1999.
Cita MLAD S Collins i J F Gracey. Meat Hygiene. 10. Sydney, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.