Παραπομπή APA

Richards, G. (1997). Notes for managers: Effective supervision in the factory. University press.

Παραπομπή Chicago Style

Richards, Graham. Notes for Managers: Effective Supervision in the Factory. Hyderabad: University press, 1997.

Παραπομπή MLA

Richards, Graham. Notes for Managers: Effective Supervision in the Factory. University press, 1997.