APA (7th ed.) Zitazioa
BARTON, W., & BUTTS, J. (1990). VIABLE OPTIONS: INTENSIVE SUPERVISION PROGRAMS FOR JUVENILE DELINQUENTS.
Chicago Style (17th ed.) Zitazioa
BARTON, W.H, eta J.A BUTTS. VIABLE OPTIONS: INTENSIVE SUPERVISION PROGRAMS FOR JUVENILE DELINQUENTS. 1990.
MLA (9th ed.) Zitazioa
BARTON, W.H, eta J.A BUTTS. VIABLE OPTIONS: INTENSIVE SUPERVISION PROGRAMS FOR JUVENILE DELINQUENTS. 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.