SULLIVAN WILLIAM M. (1995). WORK AND INTEGRITY: CRISIS AND PROMISES OF PROFESSIONALISM IN AMERICA. HARPER COLLINS PUBLISHERS.
Chicago Style aipamenaSULLIVAN WILLIAM M. WORK AND INTEGRITY: CRISIS AND PROMISES OF PROFESSIONALISM IN AMERICA. NEW YORK: HARPER COLLINS PUBLISHERS, 1995.
MLA aipamenaSULLIVAN WILLIAM M. WORK AND INTEGRITY: CRISIS AND PROMISES OF PROFESSIONALISM IN AMERICA. HARPER COLLINS PUBLISHERS, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.