Boulter, N. (1999). The art of HRD: People and competencies. Crest Publishing House.
Čikaški stil citiranja (17. izdanje)Boulter, Nick. The Art of HRD: People and Competencies. New Delhi: Crest Publishing House, 1999.
MLA način citiranja (8. izdanje)Boulter, Nick. The Art of HRD: People and Competencies. Crest Publishing House, 1999.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.