Cita APA (7a ed.)

Bogardus, A. M. (2009). PHR/SPHR: Professional in Human Resources certification study guide (3rd ed.). Wiley Technology Pub.

Cita Chicago Style (17a ed.)

Bogardus, Anne M. PHR/SPHR: Professional in Human Resources Certification Study Guide. 3rd ed. Indianapolis, Ind: Wiley Technology Pub, 2009.

Cita MLA (9a ed.)

Bogardus, Anne M. PHR/SPHR: Professional in Human Resources Certification Study Guide. 3rd ed. Wiley Technology Pub, 2009.