Hartley, J. (1980). The Psychology of written communication: Selected readings. Kogan Page.
Chicago-viite (17. p.)Hartley, James. The Psychology of Written Communication: Selected Readings. London: Kogan Page, 1980.
MLA-viite (9. p.)Hartley, James. The Psychology of Written Communication: Selected Readings. Kogan Page, 1980.
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