@book{13154,
	author = {Bakeman, Roger. and Gottman, John Mordechai.},
	title = {Observing interaction :},
	publisher = {Cambridge University Press,},
	year = {1986.},
	address = {Cambridge [Cambridgeshire] ;},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/description/cam031/85022362.html}
}