RŮŽIČKA, F. (2004). History of breeding in the territory of the Czech Republic. Part I. Research Institute of Brewing and Malting, Plc.
Lua i Stíl Chicago (17ú heag.)RŮŽIČKA, František. History of Breeding in the Territory of the Czech Republic. Part I. Research Institute of Brewing and Malting, Plc, 2004.
Lua MLA (9ú heag.)RŮŽIČKA, František. History of Breeding in the Territory of the Czech Republic. Part I. Research Institute of Brewing and Malting, Plc, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.