(2006). Strong foundations: Early childhood, care and education. Unesco.
Chicago (17e ed.) BronvermeldingStrong Foundations: Early Childhood, Care and Education. Paris: Unesco, 2006.
MLA (8e ed.) BronvermeldingStrong Foundations: Early Childhood, Care and Education. Unesco, 2006.
Let op: Deze citaties zijn niet altijd 100% accuraat.