Williams, E. (1993). Working with management: A secretary's guide. Sterling Publishers.
Dyfyniad Arddull ChicagoWilliams, Elizabeth. Working with Management: A Secretary's Guide. New Delhi: Sterling Publishers, 1993.
Dyfyniad MLAWilliams, Elizabeth. Working with Management: A Secretary's Guide. Sterling Publishers, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.