Pearson, J. G. (1965). The persuasion industry / J. Pearson and Graham Turner. Eyre & Spottiswoode.
Lua i Stíl Chicago (17ú heag.)Pearson, John George. The Persuasion Industry / J. Pearson and Graham Turner. London: Eyre & Spottiswoode, 1965.
Lua MLA (9ú heag.)Pearson, John George. The Persuasion Industry / J. Pearson and Graham Turner. Eyre & Spottiswoode, 1965.
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