Lua APA (7ú heag.)
COLBY, S., & ET AL. (2000). ARE ADOLESCENT SMOKERS DEPENDENT ON NICOTINE? A REVIEW OF THE EVIDENCE.
Lua i Stíl Chicago (17ú heag.)
COLBY, S.M, agus ET AL. ARE ADOLESCENT SMOKERS DEPENDENT ON NICOTINE? A REVIEW OF THE EVIDENCE. 2000.
Lua MLA (9ú heag.)
COLBY, S.M, agus ET AL. ARE ADOLESCENT SMOKERS DEPENDENT ON NICOTINE? A REVIEW OF THE EVIDENCE. 2000.
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