Neuner, J. J. W. 1., & Haynes, B. R. 1. Office management and practices.
Dyfyniad Arddull ChicagoNeuner, John Joseph William 1900, and Benjamin Rudolph 1897 Haynes. Office Management and Practices. cincinnati, New York South-western publishing company, 1941.
Dyfyniad MLANeuner, John Joseph William 1900, and Benjamin Rudolph 1897 Haynes. Office Management and Practices.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.