HARVARD BUSINESS SCHOOL. (1998). HBR ON MEASURING CORPORATE PERFORMANCE. H B S.
Chicago Style aipamenaHARVARD BUSINESS SCHOOL. HBR ON MEASURING CORPORATE PERFORMANCE. BOSTON: H B S, 1998.
MLA aipamenaHARVARD BUSINESS SCHOOL. HBR ON MEASURING CORPORATE PERFORMANCE. H B S, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.