Walker, James Thomas. Business statistics [by] James T. Walker. - Toronto, McGraw-Hill Co. of Canada [1971] - x, 303 p. illus. 24 cm. Bibliography: p. 295-296. ISBN: 0070949697 LCCN: 79023324 Nat. Bib. No.: C*** Subjects--Topical Terms: Statistics. LC Class. No.: HA29 / .W15 Dewey Class. No.: 519/.5