Lua APA (7ú heag.)
LEVIN, F., & ET AL. (1999). PERGOLIDE MESYLATE FOR COCAINE ABUSE: A CONTROLLED PRELIMINARY TRIAL.
Lua i Stíl Chicago (17ú heag.)
LEVIN, F.R, agus ET AL. PERGOLIDE MESYLATE FOR COCAINE ABUSE: A CONTROLLED PRELIMINARY TRIAL. 1999.
Lua MLA (9ú heag.)
LEVIN, F.R, agus ET AL. PERGOLIDE MESYLATE FOR COCAINE ABUSE: A CONTROLLED PRELIMINARY TRIAL. 1999.
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