@book{2546,
	author = {Patton, Michael Quinn. and Patton, Michael Quinn.},
	title = {Qualitative research and evaluation methods /},
	publisher = {Sage Publications,},
	year = {c2002.},
	address = {Thousand Oaks, Calif. :},
	edition = {3 ed.},
	note = {Rev. ed. of: Qualitative evaluation and research methods. 2nd ed. 1990.},
	url = {http://www.loc.gov/catdir/enhancements/fy0658/2001005181-d.html}
}