APA
Armstrong M., . (1992). How to be an even better manager. New Delhi: Universal Book Stall.
Chicago
Armstrong Michael, . 1992. How to be an even better manager. New Delhi: Universal Book Stall.
Harvard
Armstrong M., . (1992). How to be an even better manager. New Delhi: Universal Book Stall.
MLA
Armstrong Michael, . How to be an even better manager. New Delhi: Universal Book Stall. 1992.