Hellriegel, D. (2002). Management: A competency based approach (9th.). Thomson Asia.
Chicago-referens (17:e uppl.)Hellriegel, Don. Management: A Competency Based Approach. 9th. Sinagapore: Thomson Asia, 2002.
MLA-referens (9:e uppl.)Hellriegel, Don. Management: A Competency Based Approach. 9th. Thomson Asia, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.