APA-viite (7. p.)
CUMMINGS, S., & ET AL. TRAINING PHYSICIANS ABOUT SMOKING CESSATION: A CONTROLLED TRIAL IN PRIVATE PRACTICES.
Chicago-viite (17. p.)
CUMMINGS, S.R, ja ET AL. TRAINING PHYSICIANS ABOUT SMOKING CESSATION: A CONTROLLED TRIAL IN PRIVATE PRACTICES.
MLA-viite (9. p.)
CUMMINGS, S.R, ja ET AL. TRAINING PHYSICIANS ABOUT SMOKING CESSATION: A CONTROLLED TRIAL IN PRIVATE PRACTICES.
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