Amacher, Ryan C. Principles of microeconomics / english Ryan C. Amacher, Holley H. Ulbrich. - 3rd ed. - Cincinnati : South-Western Pub. Co., c1986. - xiii, 606 p. : ill. (some col.) ; Tables, Figures 25 cm. Includes index. ISBN: 0538086815 (pbk.) LCCN: 85050937 Subjects--Topical Terms: Microeconomics. Dewey Class. No.: 330.01 / AMA