Stocton, John R. Introduction to business & economic statistics / John R. Stocton and Charles T. Clark. - 4th ed. - Ohio : South-Western pub., c 1972. - x, [100] 670 p. : ill. ; 23 cm. Includes index. 337 337 Subjects--Topical Terms: Economic statistics. Dewey Class. No.: 311 / S67i