Παραπομπή APA

Armstrong Michael. (2009). How to be an even better manager/7e (7th ed.). Kogan page.

Παραπομπή Chicago Style

Armstrong Michael. How to Be an Even Better Manager/7e. 7th ed. New Delhi: Kogan page, 2009.

Παραπομπή MLA

Armstrong Michael. How to Be an Even Better Manager/7e. 7th ed. Kogan page, 2009.