@book{188730,
	author = {Ferrell, Robyn, and ebrary, Inc.},
	title = {Copula},
	publisher = {State University of New York Press,},
	year = {c2006.},
	series = {SUNY series in gender theory},
	address = {Albany :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10579227}
}