Author	Title	Edition	Publisher	Year	Series	Number	ISBN	ISSN	URL
Wainryb, Cecilia and Smetana, Judith G. and Turiel, Elliot	Social development, social inequalities, and social justice		Psychology	2012	The Jean Piaget Symposium series		9780415651769		https://ci.nii.ac.jp/ncid/BB25707239