Tråvén, M. (2000). Winter dysentery caused by bovine coronavirus: No rule without an exception : diagnostics, clinical picture, epidemiology and herd immunity. Swedish University of Agricultural Sciences.
Lua i Stíl Chicago (17ú heag.)Tråvén, Madeleine. Winter Dysentery Caused by Bovine Coronavirus: No Rule Without an Exception : Diagnostics, Clinical Picture, Epidemiology and Herd Immunity. Uppsala: Swedish University of Agricultural Sciences, 2000.
Lua MLA (8ú heag.)Tråvén, Madeleine. Winter Dysentery Caused by Bovine Coronavirus: No Rule Without an Exception : Diagnostics, Clinical Picture, Epidemiology and Herd Immunity. Swedish University of Agricultural Sciences, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.