Spiegler, M. D. (2016). Contemporary behavior therapy (Sixth edition.). Cengage Learning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpiegler, Michael D. Contemporary Behavior Therapy. Sixth edition. Boston, Massachusetts: Cengage Learning, 2016.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSpiegler, Michael D. Contemporary Behavior Therapy. Sixth edition. Cengage Learning, 2016.
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