APA (7 वां संस्करण) प्रशस्ति पत्र
Knill, P. J., Levine, E. G., & Levine, S. K. (2005). Principles and practice of expressive arts therapy: Towards a therapeutic aesthetics (1st American pbk. ed.). Jessica Kingsley Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Knill, Paolo J., Ellen G. Levine, और Stephen K. Levine. Principles and Practice of Expressive Arts Therapy: Towards a Therapeutic Aesthetics. 1st American pbk. ed. Philadelphia, PA: Jessica Kingsley Publishers, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Knill, Paolo J., et al. Principles and Practice of Expressive Arts Therapy: Towards a Therapeutic Aesthetics. 1st American pbk. ed. Jessica Kingsley Publishers, 2005.
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