Wolferstan, B., & Longhaye, G. (1928). An eight days' retreat. P.J. Kenedy.
Lua i Stíl Chicago (17ú heag.)Wolferstan, Bertram, agus G. Longhaye. An Eight Days' Retreat. New York: P.J. Kenedy, 1928.
Lua MLA (8ú heag.)Wolferstan, Bertram, agus G. Longhaye. An Eight Days' Retreat. P.J. Kenedy, 1928.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.