Keith, L. A., & Gubell E Carlo. (1975). Introduction to Business Enterprises (4th ed.). McGraw-Hill.
Dyfyniad Arddull ChicagoKeith, Lyman A., and Gubell E Carlo. Introduction to Business Enterprises. 4th ed. NewYork: McGraw-Hill, 1975.
Dyfyniad MLAKeith, Lyman A., and Gubell E Carlo. Introduction to Business Enterprises. 4th ed. McGraw-Hill, 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.