@book{38660,
	author = {Sheldon, Kennon M.},
	title = {Designing positive psychology},
	publisher = {Oxford University Press,},
	year = {2011.},
	series = {Series in positive psychology},
	address = {New York ;},
	url = {http://dx.doi.org/10.1093/acprof:oso/9780195373585.001.0001}
}