@book{4054,
	author = {Dittmann, Laura L. and American Public Health Association.},
	title = {Children in day care :},
	publisher = {U.S. Children's Bureau, [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]},
	year = {1967.},
	series = {United States. Children's Bureau. Publication},
	address = {Washington :}
}