Au, W. (1989). By way of the heart: Toward a holistic Christian spirituality. Paulist Press.
Lua i Stíl Chicago (17ú heag.)Au, Wilkie. By Way of the Heart: Toward a Holistic Christian Spirituality. New York: Paulist Press, 1989.
Lua MLA (8ú heag.)Au, Wilkie. By Way of the Heart: Toward a Holistic Christian Spirituality. Paulist Press, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.