APA (7e ed.) Bronvermelding

Armstrong, M. (1994). How to be an even better manager (4th ed.). Kogan Page.

Chicago (17e ed.) Bronvermelding

Armstrong, Michael. How to Be an Even Better Manager. 4th ed. London: Kogan Page, 1994.

MLA (8e ed.) Bronvermelding

Armstrong, Michael. How to Be an Even Better Manager. 4th ed. Kogan Page, 1994.