Hertvik, W. (1960). Instructions before marriage. Companion Press.
Lua i Stíl Chicago (17ú heag.)Hertvik, Wenceslaus. Instructions Before Marriage. St. Francis, Ind.: Companion Press, 1960.
Lua MLA (8ú heag.)Hertvik, Wenceslaus. Instructions Before Marriage. Companion Press, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.