APA (7th ed.) Zitazioa
VERHELLEN, E. (1999). MONITORING CHILDREN'S RIGHTS. MARTINUS NIJHOFF PUBLISHERS.
Chicago Style (17th ed.) Zitazioa
VERHELLEN, E. MONITORING CHILDREN'S RIGHTS. Londres: MARTINUS NIJHOFF PUBLISHERS, 1999.
MLA (9th ed.) Zitazioa
VERHELLEN, E. MONITORING CHILDREN'S RIGHTS. MARTINUS NIJHOFF PUBLISHERS, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.