Blocher, E. (2005). Cost management: A strategic emphasis (3rd ed.). Boston: McGraw-Hill/Irwin.
Dyfyniad Arddull ChicagoBlocher, Edward. Cost Management: A Strategic Emphasis. 3rd ed. Boston: McGraw-Hill/Irwin, 2005.
Dyfyniad MLABlocher, Edward. Cost Management: A Strategic Emphasis. 3rd ed. Boston: McGraw-Hill/Irwin, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.