Craig Roberts. (2019). Psychology for Cambridge International AS and A Level: For the 9698 syllabus. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCraig Roberts. Psychology for Cambridge International AS and A Level: For the 9698 Syllabus. Oxford University Press, 2019.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCraig Roberts. Psychology for Cambridge International AS and A Level: For the 9698 Syllabus. Oxford University Press, 2019.
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