DeVito, J. A. (1990). Messages: Building interpersonal communication skills. New York: Harper & Row.
Παραπομπή Chicago StyleDeVito, Joseph A. Messages: Building Interpersonal Communication Skills. New York: Harper & Row, 1990.
Παραπομπή MLADeVito, Joseph A. Messages: Building Interpersonal Communication Skills. New York: Harper & Row, 1990.
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