Cohen, L. (1954). Statistical methods for social scientists: An introduction. Prentice-Hall.
Dyfyniad Arddull ChicagoCohen, Lillian. Statistical Methods for Social Scientists: An Introduction. New York: Prentice-Hall, 1954.
Dyfyniad MLACohen, Lillian. Statistical Methods for Social Scientists: An Introduction. Prentice-Hall, 1954.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.