Purcell, W. J. (1981). Understanding a company's finances: A graphic approach. Houghton Mifflin.
Dyfyniad Arddull ChicagoPurcell, W.R. Jr. Understanding a Company's Finances: A Graphic Approach. Boston: Houghton Mifflin, 1981.
Dyfyniad MLAPurcell, W.R. Jr. Understanding a Company's Finances: A Graphic Approach. Houghton Mifflin, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.