APA (7th ed.) Zitazioa
LOXLEY, W., & DAVIDSON, R. (1999). HOW RATIONAL IS NEEDLE SHARING TO YOUNG INJECTING DRUG USERS?
Chicago Style (17th ed.) Zitazioa
LOXLEY, W., eta R. DAVIDSON. HOW RATIONAL IS NEEDLE SHARING TO YOUNG INJECTING DRUG USERS? 1999.
MLA (9th ed.) Zitazioa
LOXLEY, W., eta R. DAVIDSON. HOW RATIONAL IS NEEDLE SHARING TO YOUNG INJECTING DRUG USERS? 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.