HEIFETZ R A. (2002). LEADERSHIP ON THE LINE. HARVARD BUSINESS SCHOOL.
Chicago Style aipamenaHEIFETZ R A. LEADERSHIP ON THE LINE. BOSTON: HARVARD BUSINESS SCHOOL, 2002.
MLA aipamenaHEIFETZ R A. LEADERSHIP ON THE LINE. HARVARD BUSINESS SCHOOL, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.