Gaya APA

Kasper, W. (2016). Cardinal Walter Kasper: Spiritual writings. Selected & translated with an introduction by Patricia C. Bellm & Robert A. Krieg. . Maryknoll: Orbis Books..

Gaya MLA

Kasper, Walter. "Cardinal Walter Kasper: Spiritual writings. Selected & translated with an introduction by Patricia C. Bellm & Robert A. Krieg.". Maryknoll: Orbis Books., 2016. Buku.