楚材. (2020). 俞敏洪：在不如意的世界里全力以赴: Go all out in the unpleasant world. 文汇出版社.
Chicago Style (17th ed.) Citation楚材. 俞敏洪：在不如意的世界里全力以赴: Go All Out in the Unpleasant World. 文汇出版社, 2020.
Cita MLA楚材. 俞敏洪：在不如意的世界里全力以赴: Go All Out in the Unpleasant World. 文汇出版社, 2020.
Atenció: Aquestes cites poden no estar 100% correctes.