@book {534,
	title = {The psychology of moral development: the nature and validity of moral stages},
	year = {1984},
	publisher = {Harper \& Row},
	organization = {Harper \& Row},
	isbn = {9780060647612},
	url = {https://books.google.com/books?id=LOtGAAAAMAAJ},
	author = {Kohlberg, L.}
}
