Boyatzis, Richard E., and Stephen P. Kelner. "Competencies as a Behavioral Manifestation of Implicit Motives." Implicit Motives. : Oxford University Press, 2010-01-21. Oxford Scholarship Online. 2010-05-01. Date Accessed 24 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195335156.001.0001/acprof-9780195335156-chapter-17>.
Boyatzis, R., & Kelner, S.(2010-01-21). Competencies as a Behavioral Manifestation of Implicit Motives. In Implicit Motives. : Oxford University Press. Retrieved 24 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195335156.001.0001/acprof-9780195335156-chapter-17.
Boyatzis, Richard E., and Stephen P. Kelner. "Competencies as a Behavioral Manifestation of Implicit Motives." In Implicit Motives. : Oxford University Press, 2010-01-21. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195335156.001.0001/acprof-9780195335156-chapter-17.
Boyatzis RE, Kelner SP. Competencies as a Behavioral Manifestation of Implicit Motives. In: Schultheiss O, Brunstein J. Implicit Motives. Oxford University Press; 2010. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195335156.001.0001/acprof-9780195335156-chapter-17. Accessed May 24, 2013.