Gaya APA

Augustinus, S. ( 1964- ). Letters, transl.by Sister Wilfrid Parsons, S.N.D., [repr.]. Cet.pertama 1951- . . Washington: CathUnivof America Press.

Gaya MLA

Augustinus, S.. "Letters, transl.by Sister Wilfrid Parsons, S.N.D., [repr.]. Cet.pertama 1951- . ". Washington: CathUnivof America Press, 1964- . Buku.