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.
Chicago-referens (17:e uppl.)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.
MLA-referens (8:e uppl.)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.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.