Schrodt, P. A. (1987). Microcomputer methods for social scientists (2nd ed.). Sage Publications.
Dyfyniad Arddull ChicagoSchrodt, Philip A. Microcomputer Methods for Social Scientists. 2nd ed. Newbury Park, Calif.: Sage Publications, 1987.
Dyfyniad MLASchrodt, Philip A. Microcomputer Methods for Social Scientists. 2nd ed. Sage Publications, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.