Cialdini, R. B. (2007). Influence: The psychology of persuasion. Harper Collins.
Chicago Style aipamenaCialdini, Robert B. Influence: The Psychology of Persuasion. New York: Harper Collins, 2007.
MLA aipamenaCialdini, Robert B. Influence: The Psychology of Persuasion. Harper Collins, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.