Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (8th εκδ.)

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.