APA-viite (7. p.)
(2007). THE METH PROJECT: NATIONAL USE AND ATTITUDES SURVEY 2007. NATIONAL SURVEY MEASURING ATTITUDES AND BEHAVIORS TOWARDS METHAMPHETAMINE IN AMERICA. GFK ROPER PUBLIC AFFAIRS & MEDIA.
Chicago-viite (17. p.)
THE METH PROJECT: NATIONAL USE AND ATTITUDES SURVEY 2007. NATIONAL SURVEY MEASURING ATTITUDES AND BEHAVIORS TOWARDS METHAMPHETAMINE IN AMERICA. NUEVA YORK: GFK ROPER PUBLIC AFFAIRS & MEDIA, 2007.
MLA-viite (9. p.)
THE METH PROJECT: NATIONAL USE AND ATTITUDES SURVEY 2007. NATIONAL SURVEY MEASURING ATTITUDES AND BEHAVIORS TOWARDS METHAMPHETAMINE IN AMERICA. GFK ROPER PUBLIC AFFAIRS & MEDIA, 2007.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.