@book{20230,
	author = { Reed, Pamela G. (Ed.) , Shearer, Nelma C. (Ed.) & Nicoll, Leslie H. (Ed.)},
	title = {Perspectives on Nursing Theory},
	publisher = {Lippincott Williams & Wilkins},
	year = {2004},
	address = {Philadelphia},
	edition = {Fourth Edition},
	note = {include index}
}