Simons, H. W. (1976). Persuasion Understanding Practice and Analysis. Random House.
Lua i Stíl Chicago (17ú heag.)Simons, Herbert W. Persuasion Understanding Practice and Analysis. Random House, 1976.
Lua MLA (8ú heag.)Simons, Herbert W. Persuasion Understanding Practice and Analysis. Random House, 1976.
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