@book{10013,
	author = {Palloff, Rena M. and Pratt, Keith},
	title = {Building online learning communities : effective strategies for the virtual classroom. /},
	publisher = {Wiley,},
	year = {2007.},
	address = {San Francisco, CA. :},
	edition = {2nd ed.},
	note = {Includes bibliographical references, appendix and index
Prev ed.: Building learning communities in cyberspace}
}