@book{482095,
	author = {Bickman, Leonard, and Sage eBooks},
	title = {The SAGE handbook of applied social research methods},
	publisher = {SAGE,},
	year = {c2009.},
	address = {Los Angeles ;},
	edition = {2nd ed.},
	note = {Previous ed.: published as Handbook of applied social research methods. 1998.},
	url = {http://methods.sagepub.com/book/the-sage-handbook-of-applied-social-research-methods-2e}
}