Não informado. (2004). Hungarian agricultural review. National Agricultural Library.
Chicago-referens (17:e uppl.)Não informado. Hungarian Agricultural Review. Budapest: National Agricultural Library, 2004.
MLA-referens (8:e uppl.)Não informado. Hungarian Agricultural Review. National Agricultural Library, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.