Gaya APA

Stevens, R, P., Ung, A. (2010). Taking Your Soul to Work : Overcoming the Nine Deadly Sins of the Workplace . Grand Rapids, Michigan: William B. Eerdmans Publishing Company.

Gaya MLA

Stevens, R., Paul., Ung, Alvin. "Taking Your Soul to Work : Overcoming the Nine Deadly Sins of the Workplace". Grand Rapids, Michigan: William B. Eerdmans Publishing Company, 2010. Academic.