Ettinger, Richard P. Credits and collections / Richard P.Ettinger, David E.Golieb - 5th ed. - Englewood Cliffs, N.J. : Prentice-Hall, 1962 - 388 p. : ill. 24 cm. Bibliography: p.364-365 ISBN: 0131926411 LCCN: 62-014107 Subjects--Topical Terms: CreditCollecting of accounts