Gaya APA

Larson, C, U., Clerkin, K. (1986 LAR p). Persuasion. perception and responbility (4 edition). USA: Wadsworth.

Gaya MLA

Larson, Charles, U., Clerkin, Kristine. "Persuasion. perception and responbility". 4 edition USA: Wadsworth, 1986 LAR p. Text.