Gaya APA

Augustinus, S. (1968). The teacher - The free choice of the will - Grace and free will, transl.by R.P.Russell O.S.A. . Washington: CathUnivof America Press.

Gaya MLA

Augustinus, S.. "The teacher - The free choice of the will - Grace and free will, transl.by R.P.Russell O.S.A. ". Washington: CathUnivof America Press, 1968. Buku.