توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Fries, I. (1988). Contribution to the study of nosema disease (Nosema apiz Z.) in honey bee (Apis mellifera L.) colonies. Swedish University of Agricultural Sciences, Dept. of Animal Nutrition and Management.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Fries, Ingemar. Contribution to the Study of Nosema Disease (Nosema Apiz Z.) in Honey Bee (Apis Mellifera L.) Colonies. Uppsala: Swedish University of Agricultural Sciences, Dept. of Animal Nutrition and Management, 1988.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Fries, Ingemar. Contribution to the Study of Nosema Disease (Nosema Apiz Z.) in Honey Bee (Apis Mellifera L.) Colonies. Swedish University of Agricultural Sciences, Dept. of Animal Nutrition and Management, 1988.