APA (7th ed.) Zitazioa
POWER, R. (1988). DRUG INJECTING, AIDS, AND RISK BEHAVIOUR: POTENTIAL FOR CHANGE AND INTERVENTION STRATEGIES.
Chicago Style (17th ed.) Zitazioa
POWER, R. DRUG INJECTING, AIDS, AND RISK BEHAVIOUR: POTENTIAL FOR CHANGE AND INTERVENTION STRATEGIES. 1988.
MLA (9th ed.) Zitazioa
POWER, R. DRUG INJECTING, AIDS, AND RISK BEHAVIOUR: POTENTIAL FOR CHANGE AND INTERVENTION STRATEGIES. 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.