Ong, W. J. (1957). Frontiers in American Catholicism: Essays on ideology and culture. Macmillan.
Lua i Stíl Chicago (17ú heag.)Ong, Walter J. Frontiers in American Catholicism: Essays on Ideology and Culture. New York: Macmillan, 1957.
Lua MLA (8ú heag.)Ong, Walter J. Frontiers in American Catholicism: Essays on Ideology and Culture. Macmillan, 1957.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.