APA-viite (7. p.)
Ponomareff, C. V., & Bryson, K. (2006). The curve of the sacred: An exploration of human spirituality. Rodopi.
Chicago-viite (17. p.)
Ponomareff, Constantin V., ja Ken Bryson. The Curve of the Sacred: An Exploration of Human Spirituality. Amsterdam ; New York, NY: Rodopi, 2006.
MLA-viite (9. p.)
Ponomareff, Constantin V., ja Ken Bryson. The Curve of the Sacred: An Exploration of Human Spirituality. Rodopi, 2006.
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