651.7
D
Davis, Roy, 1877-
Business English workbook, by Roy Davis, Clarence H. Lingham and Gertrude I. Payne. [Madison, Wis] Pub. for the U.S. ARmed Forces Institute by Ginn. [1944]
125 p. modelos. 25 cm. ([United States] Ward Dep. Education manual, EM, 749).