Au, W. (1989). By way of the heart: Toward a holistic Christian spirituality. Paulist Press.
Chicago-referens (17:e uppl.)Au, Wilkie. By Way of the Heart: Toward a Holistic Christian Spirituality. New York: Paulist Press, 1989.
MLA-referens (8:e uppl.)Au, Wilkie. By Way of the Heart: Toward a Holistic Christian Spirituality. Paulist Press, 1989.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.