Armstrong, M. (1999). The art of HRD: Managing people. Crest Publishing House.
Citazione stile Chigago Style (17a edizione)Armstrong, Michael. The Art of HRD: Managing People. New Delhi: Crest Publishing House, 1999.
Citatione MLA (8a ed.)Armstrong, Michael. The Art of HRD: Managing People. Crest Publishing House, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.