@book{141601,
	author = {Beckman, Theodore N. and Foster, Ronald S.},
	title = {Credits and collections :},
	publisher = {McGraw-Hill;},
	year = {1969.},
	address = {New York :},
	edition = {8th ed.},
	note = {First published in 1924 under title: Credits and collections in theory and practice.}
}