Yoo. (2013). Persuasive Recommender Systems (1.). Springer New York.
Chicago Style aipamenaYoo. Persuasive Recommender Systems. 1. Springer New York, 2013.
MLA aipamenaYoo. Persuasive Recommender Systems. 1. Springer New York, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.