@book{8600,
	author = {George, Julia B.},
	title = {Nursing theories : the base for professional nursing practice},
	publisher = {Prentice Hall, },
	year = {2002.},
	address = {Upper Saddle River, N.J. : },
	edition = {5th ed.},
	url = {https://www.pearson.com/us/higher-education/product/George-Nursing-Theories-The-Base-for-Professional-Nursing-Practice-5th-Edition/9780838571101.html}
}