Michael Armstrong. (2003). Handbook of management techniques (3rd.). Kogan Page.
Chicago Style aipamenaMichael Armstrong. Handbook of Management Techniques. 3rd. New Delhi: Kogan Page, 2003.
MLA aipamenaMichael Armstrong. Handbook of Management Techniques. 3rd. Kogan Page, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.