Ferguson, C. E. Microeconomic theory / C. E. Ferguson. - 3rd ed. - Homewood, Ill. : R.D. Irwin, 1972. - xvi, 565 p. : ill. ; 24 cm. - The Irwin series in economics . Includes bibliographical references. LCCN: 71-168295 Subjects--Topical Terms: Microeconomics. Dewey Class. No.: 338.5