@book{124021,
	author = {Piaget, Jean, and Gabain, Marjorie,},
	title = {Judgment and reasoning in the child /},
	publisher = {K. Paul, Trench, Trubner & Co. ltd.;},
	year = {1928.},
	address = {London,},
	note = {"Translated by Marjorie Warden."}
}