Severin, W. J., & Tankard, J. W. (1997). Communication theories: Origin, methods, and users in the mass media (4th ed.). Longman.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSeverin, Werner J., और James W. Tankard. Communication Theories: Origin, Methods, and Users in the Mass Media. 4th ed. New York: Longman, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSeverin, Werner J., और James W. Tankard. Communication Theories: Origin, Methods, and Users in the Mass Media. 4th ed. Longman, 1997.
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