Dyfyniad APA

Berryman, J. C., & Breighner, K. W. (1994). Modeling healthy behavior: Actions and attitudes in schools. ETR Associates.

Dyfyniad Arddull Chicago

Berryman, Judy C., and Kathryn W. Breighner. Modeling Healthy Behavior: Actions and Attitudes in Schools. California: ETR Associates, 1994.

Dyfyniad MLA

Berryman, Judy C., and Kathryn W. Breighner. Modeling Healthy Behavior: Actions and Attitudes in Schools. ETR Associates, 1994.

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