APA (7 वां संस्करण) प्रशस्ति पत्र
Simpkins, A. M., & Simpkins, C. A. (2016). Code principles of meditation for therapy: Improving the outcomes for psychotherapeutic treatments. Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Simpkins, Annellen M., और C. Alexander Simpkins. Code Principles of Meditation for Therapy: Improving the Outcomes for Psychotherapeutic Treatments. Hoboken, New Jersey: Wiley, 2016.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Simpkins, Annellen M., और C. Alexander Simpkins. Code Principles of Meditation for Therapy: Improving the Outcomes for Psychotherapeutic Treatments. Wiley, 2016.
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