LEWIS, W. C. (1972). Why People Change: The psychology of influence. Holt, Rinehart and Wins-ton.
Tohutoru Kātū Chicago (17th ed.)LEWIS, William C. Why People Change: The Psychology of Influence. New York: Holt, Rinehart and Wins-ton, 1972.
Tohutoro MLA (9th ed.)LEWIS, William C. Why People Change: The Psychology of Influence. Holt, Rinehart and Wins-ton, 1972.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.