Treadway, D. C. (1989). Before it's too late: Working with substance abuse in the family. W.W. Norton.
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Chicago Style (17th ed.) Zitazioa
Treadway, David C. Before It's Too Late: Working with Substance Abuse in the Family. New York: W.W. Norton, 1989.
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MLA (9th ed.) Zitazioa
Treadway, David C. Before It's Too Late: Working with Substance Abuse in the Family. W.W. Norton, 1989.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.