Varian, Hal R. Intermediate microeconomics : a modern approach / by Hal R. Varian. - - 8th ed. - New York : W.W. Norton & Co., 2010. - xxiv, 739, A40 p. : ill. ; 25 cm. ISBN: 9788176710657 Dewey Class. No.: 338.5 VAR 'CW'