Varian, Hal R. Intermediate microeconomics : a modern approach / Hal R. Varian, University of California at Berkeley. - Ninth edition. - New York : W.N.Norton & Company, 2020. - xxvi, 761 pages : illustrations. Includes index. ISBN: 9780393689891 Subjects--Topical Terms: Microeconomics. LC Class. No.: HB 172 / VAR 2020