Economic comission for Europe. (1998). UN/ECE Standard for Porcine Carcasses and Cuts: Recommended by the Working Party for on Standardization of Perishable Produce and Quality Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Economic comission for Europe. UN/ECE Standard for Porcine Carcasses and Cuts: Recommended by the Working Party for on Standardization of Perishable Produce and Quality Development. 1998.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Economic comission for Europe. UN/ECE Standard for Porcine Carcasses and Cuts: Recommended by the Working Party for on Standardization of Perishable Produce and Quality Development. 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.