Lacko, M. (1963). Saints Cyril and Methodius. Slovak Editions "Sts. Cyril and Methodius,".
Lua i Stíl Chicago (17ú heag.)Lacko, Michael. Saints Cyril and Methodius. Rome: Slovak Editions "Sts. Cyril and Methodius,", 1963.
Lua MLA (8ú heag.)Lacko, Michael. Saints Cyril and Methodius. Slovak Editions "Sts. Cyril and Methodius,", 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.