@book{121202,
	author = {Rhoton, Jack. and ebrary, Inc.},
	title = {Professional development},
	publisher = {NSTA Press,},
	year = {c2001.},
	series = {Issues in science education},
	address = {Arlington, VA :},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10240808}
}