@book{632,
	author = {MacKinnon, Barbara},
	title = {Ethics :},
	publisher = {Wadsworth Cengage Learning,},
	year = {2009.},
	address = {Belmont :},
	edition = {6th ed.},
	url = {https://books.google.com.pk/books?id=q-ZTGgAACAAJ&dq=Ethics+:+theory+and+contemporary+issues+6ed&hl=en&sa=X&redir_esc=y}
}