APA (7 वां संस्करण) प्रशस्ति पत्र

International Business Machines Corporation. International Technical Support Organization, ProQuest (Firm), & Rodriguez, A. (2002). Security (4th ed.). IBM corporation.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

International Business Machines Corporation. International Technical Support Organization, ProQuest (Firm), और Adolfo Rodriguez. Security. 4th ed. Research Triangle Park, NC: IBM corporation, 2002.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

International Business Machines Corporation. International Technical Support Organization, et al. Security. 4th ed. IBM corporation, 2002.

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