Cita APA (7a ed.)

Whiddett, S., & Hollyforde, S. (2003). The competencies handbook (Reprint.). Chartered Institute of Personnel and Development.

Cita Chicago Style (17a ed.)

Whiddett, Steve, y Sarah Hollyforde. The Competencies Handbook. Reprint. London: Chartered Institute of Personnel and Development, 2003.

Cita MLA (9a ed.)

Whiddett, Steve, y Sarah Hollyforde. The Competencies Handbook. Reprint. Chartered Institute of Personnel and Development, 2003.