Stangor, C. (2007). Research methods for the behavioral sciences (3rd ed.). Houghton Mifflin Co.
Dyfyniad Arddull ChicagoStangor, Charles. Research Methods for the Behavioral Sciences. 3rd ed. Boston: Houghton Mifflin Co, 2007.
Dyfyniad MLAStangor, Charles. Research Methods for the Behavioral Sciences. 3rd ed. Houghton Mifflin Co, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.