APA (7th ed.) Zitazioa
Peterson, E. H. (1997). Leap over a wall: Earthy spirituality for everyday Christians. HarperCollins.
Chicago Style (17th ed.) Zitazioa
Peterson, Eugene H. Leap over a Wall: Earthy Spirituality for Everyday Christians. New York: HarperCollins, 1997.
MLA (9th ed.) Zitazioa
Peterson, Eugene H. Leap over a Wall: Earthy Spirituality for Everyday Christians. HarperCollins, 1997.
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