American Psychological Association
Hancock, John ( 1979 ). Introduction to the Principles of Communication Theory ( 00 ed. ). Tata Mcgraw-Hill Publishing Co.
Modern Language Association
Hancock, John. Introduction to the Principles of Communication Theory . Tata Mcgraw-Hill Publishing Co. 1979
Chicago Citation
Hancock, John. Introduction to the Principles of Communication Theory . 00 .New Delhi
: Tata Mcgraw-Hill Publishing Co, 1979.
American Medical Association
Hancock, John. Introduction to the Principles of Communication Theory . Tata Mcgraw-Hill Publishing Co; 1979.
