DUSENBURY, L., & BOTVIN, G. (1992). SUBSTANCE ABUSE PREVENTION: COMPETENCE ENHANCEMENT AND THE DEVELOPMENT OF POSITIVE LIFE OPTIONS.
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Dyfyniad Arddull Chicago
DUSENBURY, L., and G.J BOTVIN. SUBSTANCE ABUSE PREVENTION: COMPETENCE ENHANCEMENT AND THE DEVELOPMENT OF POSITIVE LIFE OPTIONS. 1992.
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Dyfyniad MLA
DUSENBURY, L., and G.J BOTVIN. SUBSTANCE ABUSE PREVENTION: COMPETENCE ENHANCEMENT AND THE DEVELOPMENT OF POSITIVE LIFE OPTIONS. 1992.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.