Samuelson, Paul A. Microeconomics / Paul A. Samuelson and William D. Nordhaus - 18th ed. - Boston : McGraw-Hill/Irwin, c2005. - xxii, 439 p. : ill. ; 26 cm. Includes index. ISBN: 0071112987 LCCN: Subjects--Topical Terms: Microeconomics LC Class. No.: HB172 / .S155 2005