Mason, E. J., & Bramble William J. (1989). Understanding and conducting research: Applications in education and the behavioral sciences (2nd ed.). McGraw-Hill.
Dyfyniad Arddull ChicagoMason, Emanuel J., and Bramble William J. Understanding and Conducting Research: Applications in Education and the Behavioral Sciences. 2nd ed. New York: McGraw-Hill, 1989.
Dyfyniad MLAMason, Emanuel J., and Bramble William J. Understanding and Conducting Research: Applications in Education and the Behavioral Sciences. 2nd ed. McGraw-Hill, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.