Gaya APA

Wallace, C, A. et al (2011). Food safety for the 21st century : managing HACCP and food safety through out the global supply chain . Sussex: Wiley Blackwell.

Gaya MLA

Wallace, Carol, A.. et al. "Food safety for the 21st century : managing HACCP and food safety through out the global supply chain". Sussex: Wiley Blackwell, 2011. Text.