New Zealand Business Roundtable. (1998). Excellence isn't optional. New Zealand Business Roundtable.
Chicago Style aipamenaNew Zealand Business Roundtable. Excellence Isn't Optional. Wellington, N.Z: New Zealand Business Roundtable, 1998.
MLA aipamenaNew Zealand Business Roundtable. Excellence Isn't Optional. New Zealand Business Roundtable, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.