@book{219847,
	author = {Roy, Callista},
	title = {The Roy adaptation model},
	publisher = {Pearson Prentice Hall},
	year = {2008.},
	address = {Upper Saddle River, NJ},
	edition = {3rd ed.},
	url = {http://www.loc.gov/catdir/toc/ecip0821/2008027314.html}
}