Richardson, A.R. Business economics / A.R. Richardson. - 2nd ed. - Cleveland, Ohio : National Association of Business Economists, 1955,1957 [reprinted 1961,1963] - v. : ill. ; 19 cm. Pt. 1 -- Pt. 2-- CODEN: BECODS Subjects--Topical Terms: EconomicsBusiness Dewey Class. No.: 330 / RIB 1963