APA (7th ed.) Zitazioa
LOUGH, G. (1998). LAW ENFORCEMENT AND HARM REDUCTION: MUTUALLY EXCLUSIVE OR MUTUALLY COMPATIBLE.
Chicago Style (17th ed.) Zitazioa
LOUGH, G. LAW ENFORCEMENT AND HARM REDUCTION: MUTUALLY EXCLUSIVE OR MUTUALLY COMPATIBLE. 1998.
MLA (9th ed.) Zitazioa
LOUGH, G. LAW ENFORCEMENT AND HARM REDUCTION: MUTUALLY EXCLUSIVE OR MUTUALLY COMPATIBLE. 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.