@book{12629,
	author = {Gillham, Bill.},
	title = {Observation techniques/},
	publisher = {Continuum International Pub.,},
	year = {2008.},
	series = {Real world research},
	address = {London:},
	url = {http://www.loc.gov/catdir/toc/ecip0724/2007031990.html}
}