Peterson, Willis L. Principles of economics. Micro / Willis L. Peterson. - 8th ed. - Homewood, IL : Irwin, c1991. - xix, 396 p. : ill. ; 24 cm. Includes index. ISBN: 0256085390 LCCN: 90042702 Subjects--Topical Terms: Microeconomics. LC Class. No.: HB172 / .P48 1991 Dewey Class. No.: 338.5 / PEP 1991