توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Joint FAO/WHO Expert Committee on Food Additives. (1972). Specification for the identity and purity of some enzymes and certain other substances. Food and Agriculture Organization of the United Nations, World Health Organization.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Joint FAO/WHO Expert Committee on Food Additives. Specification for the Identity and Purity of Some Enzymes and Certain Other Substances. Rome: Food and Agriculture Organization of the United Nations, World Health Organization, 1972.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Joint FAO/WHO Expert Committee on Food Additives. Specification for the Identity and Purity of Some Enzymes and Certain Other Substances. Food and Agriculture Organization of the United Nations, World Health Organization, 1972.