Windahl, S., Signitzer, B., & Olson, J. T. (2009). Using communication theory: An introduction to planned communication (2nd ed.). Sage.
Lua i Stíl Chicago (17ú heag.)Windahl, Sven, Benno Signitzer, agus Jean T. Olson. Using Communication Theory: An Introduction to Planned Communication. 2nd ed. London: Sage, 2009.
Lua MLA (9ú heag.)Windahl, Sven, et al. Using Communication Theory: An Introduction to Planned Communication. 2nd ed. Sage, 2009.
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