@book{10816,
	author = {ISRD},
	title = {Data Communication And Computer Networks},
	publisher = {Tata McGraw-Hill,},
	year = {2007.},
	address = {New Delhi:},
	url = {http://books.google.com.pk/books/about/Data_Commn_And_Networks_Isrd.html?id=6rRVfHq3hXoC&redir_esc=y}
}