@book{42647,
	author = {Clark, John Maurice,},
	title = {Preface to social economics : },
	publisher = {A. M. Kelley,},
	year = {1936 [reprint1967] },
	series = {Reprints of economic classics},
	address = {New York :},
	note = {Reprint of the 1936 ed.}
}