SEVERIN, W. J., & SEVERIN, W. J. (1997). Communication Theories Origins, Methods, Uses In The Mass Media Werner J. Severin, James W. Tankard. Longman.
Dyfyniad Arddull ChicagoSEVERIN, Werner J., and Werner J. SEVERIN. Communication Theories Origins, Methods, Uses In The Mass Media Werner J. Severin, James W. Tankard. Longman, 1997.
Dyfyniad MLASEVERIN, Werner J., and Werner J. SEVERIN. Communication Theories Origins, Methods, Uses In The Mass Media Werner J. Severin, James W. Tankard. Longman, 1997.
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