Hellriegel, D. (2002). Management: A competency based approach (9th.). Thomson Asia.
Chicago Style aipamenaHellriegel, Don. Management: A Competency Based Approach. 9th. Sinagapore: Thomson Asia, 2002.
MLA aipamenaHellriegel, Don. Management: A Competency Based Approach. 9th. Thomson Asia, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.