Dyfyniad APA

 Hogan, K. (2008).  The secret language of business: How to read anyone in 3 seconds or less.  John Wiley & Sons.

Dyfyniad Arddull Chicago

 Hogan, Kevin.  The Secret Language of Business: How to Read Anyone in 3 Seconds or Less.  John Wiley & Sons, 2008.

Dyfyniad MLA

 Hogan, Kevin.  The Secret Language of Business: How to Read Anyone in 3 Seconds or Less.  John Wiley & Sons, 2008.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.