APA (7th ed.) Zitazioa
KEENE, J. HIGH-RISK GROUPS AND PRISON POLICIES.
Chicago Style (17th ed.) Zitazioa
KEENE, J. HIGH-RISK GROUPS AND PRISON POLICIES.
MLA (9th ed.) Zitazioa
KEENE, J. HIGH-RISK GROUPS AND PRISON POLICIES.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.