Hellriegel, D. (2002). Management: A competency based approach (9th.). Thomson Asia.
Citazione stile Chigago Style (17a edizione)Hellriegel, Don. Management: A Competency Based Approach. 9th. Sinagapore: Thomson Asia, 2002.
Citatione MLA (9a ed.)Hellriegel, Don. Management: A Competency Based Approach. 9th. Thomson Asia, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.