@book{1193,
	author = {Nash, William A. and Potter, Merle C.},
	title = {Schaum's outlines :},
	publisher = {McGraw Hill,},
	year = {2014.},
	address = {New York :},
	edition = {6th ed.},
	url = {https://books.google.com.pk/books?id=qVKvAgAAQBAJ&pg=PP4&dq=9780071830805&hl=en&sa=X&ved=2ahUKEwj61LXk_qv2AhVHQMAKHeGhBqMQ6AF6BAgLEAI#v=onepage&q=9780071830805&f=false}
}