Nouwen, H. J. M., Christensen, M. J., & Laird, R. (2015). Spiritual direction: Wisdom for the long walk of faith. HarperOne, a division of HarperCollinsPublishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNouwen, Henri J. M., Michael J. Christensen, और Rebecca Laird. Spiritual Direction: Wisdom for the Long Walk of Faith. New York, NY: HarperOne, a division of HarperCollinsPublishers, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNouwen, Henri J. M., et al. Spiritual Direction: Wisdom for the Long Walk of Faith. HarperOne, a division of HarperCollinsPublishers, 2015.
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