@book{201914,
	author = {Parker, Ian},
	title = {Social constructionism, discourse, and realism},
	publisher = {SAGE Publications},
	year = {1998.},
	series = {Inquiries in social construction},
	address = {London},
	url = {http://www.loc.gov/catdir/enhancements/fy0656/98060145-d.html}
}