American Psychological Association (Washington, District of Columbia). (2020). Publication manual of the American psychological association: The official guide to APA style (Seventh edition.). American Psychological Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Psychological Association (Washington, District of Columbia). Publication Manual of the American Psychological Association: The Official Guide to APA Style. Seventh edition. Washington, DC: American Psychological Association, 2020.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAmerican Psychological Association (Washington, District of Columbia). Publication Manual of the American Psychological Association: The Official Guide to APA Style. Seventh edition. American Psychological Association, 2020.
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