APA (7 वां संस्करण) प्रशस्ति पत्र
(2001). Publication manual of the American psychological association (5th ed.). American Psychological Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Publication Manual of the American Psychological Association. 5th ed. Washington,DC: American Psychological Association, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Publication Manual of the American Psychological Association. 5th ed. American Psychological Association, 2001.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.