Dyfyniad APA
Groebner, D. F., & Shannon, P. W. (1989). Business statistics: A decision - making approach (4th ed.). Macmillan.
Dyfyniad Arddull Chicago
Groebner, David F., and Patrick W. Shannon. Business Statistics: A Decision - Making Approach. 4th ed. New York: Macmillan, 1989.
Dyfyniad MLA
Groebner, David F., and Patrick W. Shannon. Business Statistics: A Decision - Making Approach. 4th ed. Macmillan, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.