McDonald, Duff. The firm : the story of McKinsey and its secret influence on American business / Duff McDonald. - First Simon & Schuster hardcover edition. - New York : Simon & Schuster, 2013. - 387 pages ; 24 cm. Includes bibliographical references and index. ISBN: 9781476737867 : US$30-00 LCCN: 2013002023 Subjects--Topical Terms: Business consultants. LC Class. No.: HD69.C6 / M386 2013 Dewey Class. No.: 338.7/61001