@book{67692,
	author = {Nutbrown, Cathy},
	title = {Key concepts in early childhood education and care /},
	publisher = {SAGE,},
	year = {2011},
	series = {SAGE key concepts},
	address = {Los Angeles :},
	edition = {2nd ed},
	note = {Includes bibliographical references (p.171-176)}
}