Fiorina, Carly. Tough choices : a memoir / Carly Fiorina. - New York : Portfolio, 2006. - xii, 319 p. : ill. ; 24 cm. Includes index. ISBN: 159184133X 9781591841333 LCCN: 2006048336 LC Class. No.: HD6054.4.U6 F56 2006 / F56 2006 Dewey Class. No.: 338.7/61004092 B