Não informado. (1994). Drugs: Education, prevention and policy. Carfax Publishing.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Drugs: Education, Prevention and Policy. Abingdon, Inglaterra: Carfax Publishing, 1994.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Drugs: Education, Prevention and Policy. Carfax Publishing, 1994.
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