@book{1172,
	author = {Dix, Alan and Dix, Alan.},
	title = {Human-computer interaction.},
	publisher = {Pearson,},
	year = {2004.},
	address = {New York :},
	edition = {3rd ed.},
	url = {https://books.google.com.pk/books/about/Human_computer_Interaction.html?id=tNxQAAAAMAAJ&source=kp_book_description&redir_esc=y}
}