@book{121812,
	author = {Baumeister, Roy F.,  and Tierney, John },
	title = {Willpower :},
	publisher = {Penguin Books, },
	year = {2012},
	address = {New York :},
	note = {Originally published in the United States of America by The Penguin Press, a member of the Penguin Group (USA) Inc. 2011
}
}