Stroman, J., Wilson, K., & Wauson, J. (2014). Administrative assistant's and secretary's handbook (Fifth edition.). American Management Association.
Dyfyniad Arddull ChicagoStroman, James, K. Wilson, and Jennifer Wauson. Administrative Assistant's and Secretary's Handbook. Fifth edition. New York, New York: American Management Association, 2014.
Dyfyniad MLAStroman, James, et al. Administrative Assistant's and Secretary's Handbook. Fifth edition. American Management Association, 2014.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.