Dyfyniad APA

Elmes, D. G. (1999). Research methods in psychology (6th ed.). Brooks/Cole.

Dyfyniad Arddull Chicago

Elmes, David G. Research Methods in Psychology. 6th ed. Pacific Grove, Calif: Brooks/Cole, 1999.

Dyfyniad MLA

Elmes, David G. Research Methods in Psychology. 6th ed. Brooks/Cole, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.