Pennington, M. B. (1990). Call to the center: The Gospel's invitation to deeper prayer. Image Books.
Citación estilo ChicagoPennington, M. Basil. Call to the Center: The Gospel's Invitation to Deeper Prayer. New York: Image Books, 1990.
Cita MLAPennington, M. Basil. Call to the Center: The Gospel's Invitation to Deeper Prayer. Image Books, 1990.
Warning: These citations may not always be 100% accurate.