Peterson, E. H. (1989). The contemplative Pastor: Returning to the art of spiritual direction. William B. Eerdmans.
Citazione stile Chigago Style (17a edizione)Peterson, Eugene H. The Contemplative Pastor: Returning to the Art of Spiritual Direction. Grand rapids: William B. Eerdmans, 1989.
Citatione MLA (9a ed.)Peterson, Eugene H. The Contemplative Pastor: Returning to the Art of Spiritual Direction. William B. Eerdmans, 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.