Cita APA (7th ed.)
International Association for Food Protection & Tharp, D. W. (2003). Food protection trends (1a ed.). International Association for Food Protection.
Cita Chicago (17th ed.)
International Association for Food Protection i David W. Tharp. Food Protection Trends. 1a ed. Des Moines, Iowa: International Association for Food Protection, 2003.
Cita MLA (9th ed.)
International Association for Food Protection i David W. Tharp. Food Protection Trends. 1a ed. International Association for Food Protection, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.