Gaya APA

Calloway, J, C, J. (2007). Work like you're showing off ! : the joy, jazz, and kick of being better tomorrow than you were to day.-- . New Jersey: John Wiley.

Gaya MLA

Calloway, Joe, Calloway,, Joe. "Work like you're showing off ! : the joy, jazz, and kick of being better tomorrow than you were to day.--". New Jersey: John Wiley, 2007. Buku.