KREMERS, S., & ET AL. MOTIVATIONAL STAGES OF ADOLESCENT SMOKING INITIATION: PREDICTIVE VALIDITY AND PREDICTORS OF TRANSITIONS.
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Dyfyniad Arddull Chicago
KREMERS, S.P.J, and ET AL. MOTIVATIONAL STAGES OF ADOLESCENT SMOKING INITIATION: PREDICTIVE VALIDITY AND PREDICTORS OF TRANSITIONS.
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Dyfyniad MLA
KREMERS, S.P.J, and ET AL. MOTIVATIONAL STAGES OF ADOLESCENT SMOKING INITIATION: PREDICTIVE VALIDITY AND PREDICTORS OF TRANSITIONS.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.