Watson, Donald Stevenson. Price theory and its uses. - 3d ed. - New York, Houghton Mifflin [c1972] - viii, 503 p. illus. 25 cm. Includes bibliographical references. ISBN: 0395133424 LCCN: 72172248 Subjects--Topical Terms: Microeconomics.Prices. LC Class. No.: HB221 / .W34 1972 Dewey Class. No.: 338.521 / WAP 1972