William, o. A., & Teske, R. J. (2011). Selected spiritual writings: Why God became man; On grace; On faith. Pontifical Institute of Mediaeval Studies.
Chicago Style (17. basım) AtıfWilliam, of Auvergne, ve Roland J. Teske. Selected Spiritual Writings: Why God Became Man; On Grace; On Faith. Toronto, Ont.: Pontifical Institute of Mediaeval Studies, 2011.
MLA (8th ed.) AtıfWilliam, of Auvergne, ve Roland J. Teske. Selected Spiritual Writings: Why God Became Man; On Grace; On Faith. Pontifical Institute of Mediaeval Studies, 2011.
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