Não informado. (2002). Animal Science Research Report. Virginia Polytechnic Institute and State University.
Chicago-referens (17:e uppl.)Não informado. Animal Science Research Report. Blacksburg, Va: Virginia Polytechnic Institute and State University, 2002.
MLA-referens (8:e uppl.)Não informado. Animal Science Research Report. Virginia Polytechnic Institute and State University, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.