Nordström, S. (2000). Virus infections and varroa mite infestations in honey bee colonies. Swedish University of Agricultural Sciences.
Lua i Stíl Chicago (17ú heag.)Nordström, Susanne. Virus Infections and Varroa Mite Infestations in Honey Bee Colonies. Uppsala: Swedish University of Agricultural Sciences, 2000.
Lua MLA (8ú heag.)Nordström, Susanne. Virus Infections and Varroa Mite Infestations in Honey Bee Colonies. Swedish University of Agricultural Sciences, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.