Sperling, A. P. (1982). Psychology made simple. Heinemann Proffessional Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSperling, Abraham P. Psychology Made Simple. Oxford: Heinemann Proffessional Publishing, 1982.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSperling, Abraham P. Psychology Made Simple. Heinemann Proffessional Publishing, 1982.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.