Williams, E. (1993). Working with management: A secretary's guide. Sterling Publishers.
Cita Chicago (17th ed.)Williams, Elizabeth. Working with Management: A Secretary's Guide. New Delhi: Sterling Publishers, 1993.
Cita MLA (8th ed.)Williams, Elizabeth. Working with Management: A Secretary's Guide. Sterling Publishers, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.