APA (7th ed.) Zitazioa
Barry, W. A., & Connolly, W. J. (1982). The practice of spiritual direction. Harper & Row Publishers.
Chicago Style (17th ed.) Zitazioa
Barry, William A., eta William J. Connolly. The Practice of Spiritual Direction. New York: Harper & Row Publishers, 1982.
MLA (9th ed.) Zitazioa
Barry, William A., eta William J. Connolly. The Practice of Spiritual Direction. Harper & Row Publishers, 1982.
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