Way, W. L. (1977). The drug scene: Help or hand-up? (2ª ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Way, Walter L. The Drug Scene: Help or Hand-up? 2ª ed. Prentice Hall, 1977.
Lua MLA (9ú heag.)Way, Walter L. The Drug Scene: Help or Hand-up? 2ª ed. Prentice Hall, 1977.
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