Bernstein, G., & Schwartz, R. C. (2024). Self-help: This is your chance to change your life (1st edition.). Hay House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBernstein, Gabrielle, और Richard C. Schwartz. Self-help: This Is Your Chance to Change Your Life. 1st edition. Carlsbad, California: Hay House, 2024.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBernstein, Gabrielle, और Richard C. Schwartz. Self-help: This Is Your Chance to Change Your Life. 1st edition. Hay House, 2024.
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