McKenzie, Richard B. Modern political economy : an introduction to economics / Richard B. McKenzie, Gordon Tullock. - New York : McGraw-Hill, c1978. - xxx, 610 p. : ill. ; 24 cm. Includes bibliographies and index. ISBN: 0070451591 LCCN: 77013320 Subjects--Topical Terms: Economics. Dewey Class. No.: 330 / MCM 1978