TICHY N.M. (1993). CONTROL YOUR DESTINY OR SOMEONE ELSE WILL. HARPER BUSINESS.
Chicago Style aipamenaTICHY N.M. CONTROL YOUR DESTINY OR SOMEONE ELSE WILL. NEW YORK: HARPER BUSINESS, 1993.
MLA aipamenaTICHY N.M. CONTROL YOUR DESTINY OR SOMEONE ELSE WILL. HARPER BUSINESS, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.