Williams, E. (1993). Working with management: A secretary's guide. Sterling Publishers.
Citazione stile Chigago Style (17a edizione)Williams, Elizabeth. Working with Management: A Secretary's Guide. New Delhi: Sterling Publishers, 1993.
Citatione MLA (8a ed.)Williams, Elizabeth. Working with Management: A Secretary's Guide. Sterling Publishers, 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.