Gallagher, C. A., & Watson, H. J. (1980). Quantitative methods for business decisions. McGraw-Hill.
Dyfyniad Arddull ChicagoGallagher, Charles A., and Hugh J. Watson. Quantitative Methods for Business Decisions. New York: McGraw-Hill, 1980.
Dyfyniad MLAGallagher, Charles A., and Hugh J. Watson. Quantitative Methods for Business Decisions. McGraw-Hill, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.