Lind, D. A., Marchal, W. G., & Wathen, S. A. (2008). Statistical techniques in business & economics (13th ed.). Boston: McGraw-Hill/Irwin.
Dyfyniad Arddull ChicagoLind, Douglas A., William G. Marchal, và Samuel Adam Wathen. Statistical Techniques in Business & Economics. 13th ed. Boston: McGraw-Hill/Irwin, 2008.
Dyfyniad MLALind, Douglas A., William G. Marchal, và Samuel Adam Wathen. Statistical Techniques in Business & Economics. 13th ed. Boston: McGraw-Hill/Irwin, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.