Berryman, J. C., & Breighner, K. W. (1994). Modeling healthy behavior: Actions and attitudes in schools. ETR Associates.
Lua i Stíl Chicago (17ú heag.)Berryman, Judy C., agus Kathryn W. Breighner. Modeling Healthy Behavior: Actions and Attitudes in Schools. California: ETR Associates, 1994.
Lua MLA (9ú heag.)Berryman, Judy C., agus Kathryn W. Breighner. Modeling Healthy Behavior: Actions and Attitudes in Schools. ETR Associates, 1994.
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