Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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