Gaya APA

Lennan, R, , (. (1998). An introduction to Catholic theology. . New York/Mahwah: New York/Mahwah Paulist Press.

Gaya MLA

Lennan, Richard, , (ed.). "An introduction to Catholic theology. ". New York/Mahwah: New York/Mahwah Paulist Press, 1998. Buku.