APA (7th ed.) Zitazioa
CHILD WELFARE LEAGUE OF AMERICA. (1973). CHILD WELFARE LEAGUE OF AMERICA STANDARDS FOR DAY CARE SERVICE, REVISED ED. CHILD WELFARE LEAGUE OF AMERICA.
Chicago Style (17th ed.) Zitazioa
CHILD WELFARE LEAGUE OF AMERICA. CHILD WELFARE LEAGUE OF AMERICA STANDARDS FOR DAY CARE SERVICE, REVISED ED. NUEVA YORK: CHILD WELFARE LEAGUE OF AMERICA, 1973.
MLA (9th ed.) Zitazioa
CHILD WELFARE LEAGUE OF AMERICA. CHILD WELFARE LEAGUE OF AMERICA STANDARDS FOR DAY CARE SERVICE, REVISED ED. CHILD WELFARE LEAGUE OF AMERICA, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.