APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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