Parry, J. B. (1968). The psychology of human communication. American Elsevier.
Lua i Stíl Chicago (17ú heag.)Parry, John B. The Psychology of Human Communication. New York: American Elsevier, 1968.
Lua MLA (9ú heag.)Parry, John B. The Psychology of Human Communication. American Elsevier, 1968.
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