@book{21433,
	author = {Espenshade, Thomas J.},
	title = {The cost of children in urban United States},
	publisher = {Greenwood Press},
	year = {1976, c1973.},
	address = {Westport, Conn.},
	note = {Reprint of the ed. published by the Institute of International Studies, University of California, Berkeley, which was issued as no. 14 of the Population monograph series.}
}