Nichols, M. H. (2022). Peace is a practice: An invitation to breathe deep and find a new rhythm for life. Zondervan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNichols, Morgan Harper. Peace Is a Practice: An Invitation to Breathe Deep and Find a New Rhythm for Life. Grand Rapids, Michigan: Zondervan, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNichols, Morgan Harper. Peace Is a Practice: An Invitation to Breathe Deep and Find a New Rhythm for Life. Zondervan, 2022.
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