Dyfyniad APA

Nietzel, M. T. (1991). Introduction to clinical psychology (3rd ed.). Prentice-Hall.

Dyfyniad Arddull Chicago

Nietzel, Michel T. Introduction to Clinical Psychology. 3rd ed. Englewood, Clifs, N.J: Prentice-Hall, 1991.

Dyfyniad MLA

Nietzel, Michel T. Introduction to Clinical Psychology. 3rd ed. Prentice-Hall, 1991.

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