GROEBNER DAVID F. (1993). STUDY GUIDE TO ACCOMPANY BUSINESS STATISTICS - A DECISION MAKING APPROACH (4TH.). MACMILLAN.
Dyfyniad Arddull ChicagoGROEBNER DAVID F. STUDY GUIDE TO ACCOMPANY BUSINESS STATISTICS - A DECISION MAKING APPROACH. 4TH. NEW YORK: MACMILLAN, 1993.
Dyfyniad MLAGROEBNER DAVID F. STUDY GUIDE TO ACCOMPANY BUSINESS STATISTICS - A DECISION MAKING APPROACH. 4TH. MACMILLAN, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.