American Psychological Association. (2005). Concise rules of APA style. American Psychological Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Psychological Association. Concise Rules of APA Style. Washington, D.C: American Psychological Association, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAmerican Psychological Association. Concise Rules of APA Style. American Psychological Association, 2005.
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