Bavel, T. J. v. (1980). Christians in the world: Introduction to the spirituality of Augustine. Catholic Book Pub. Co.,.
Lua i Stíl Chicago (17ú heag.)Bavel, Tarsicius J. van. Christians in the World: Introduction to the Spirituality of Augustine. New York: Catholic Book Pub. Co.,, 1980.
Lua MLA (8ú heag.)Bavel, Tarsicius J. van. Christians in the World: Introduction to the Spirituality of Augustine. Catholic Book Pub. Co.,, 1980.
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