Gaya APA

Houdek, F, J. (1996). Guided by the Spirit: A Jesuit perspective on spiritual direction. Foreword by Howard J. Gray. . Chicago: Chicago Loyola Press.

Gaya MLA

Houdek, Frank, J.. "Guided by the Spirit: A Jesuit perspective on spiritual direction. Foreword by Howard J. Gray. ". Chicago: Chicago Loyola Press, 1996. Buku.