@book{1256,
	author = {Malvino, Albert Paul and Bates, David J.},
	title = {Electronic principles },
	publisher = {McGraw-Hill/Higher Education,},
	year = {2007.},
	address = {New Delhi  :},
	edition = {7th ed.},
	url = {https://books.google.com.pk/books?id=an2hxwEACAAJ&dq=9780070634244&hl=en&sa=X&ved=2ahUKEwjMk____cn2AhXbRPEDHTa8CEcQ6AF6BAgHEAI}
}