Feldman, R. S. (2021). Understanding psychology (Fifteenth edition.). McGraw-Hill Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFeldman, Robert S. Understanding Psychology. Fifteenth edition. New York, NY: McGraw-Hill Education, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFeldman, Robert S. Understanding Psychology. Fifteenth edition. McGraw-Hill Education, 2021.
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