Cita APA (7th ed.)
ELLICKSON, P., & HAYS, R. (1991). BELIEFS ABOUT RESISTANCE SELF-EFFICACY AND DRUG PREVALENCE: DO THEY REALLY AFFECT DRUG USE?
Cita Chicago (17th ed.)
ELLICKSON, P.L, i R.D HAYS. BELIEFS ABOUT RESISTANCE SELF-EFFICACY AND DRUG PREVALENCE: DO THEY REALLY AFFECT DRUG USE? 1991.
Cita MLA (9th ed.)
ELLICKSON, P.L, i R.D HAYS. BELIEFS ABOUT RESISTANCE SELF-EFFICACY AND DRUG PREVALENCE: DO THEY REALLY AFFECT DRUG USE? 1991.
Atenció: Aquestes cites poden no estar 100% correctes.