GOOTNICK M M. (2000). ACTION TOOLS FOR EFFECTIVE MANAGERS. AMACOM.
Chicago Style aipamenaGOOTNICK M M. ACTION TOOLS FOR EFFECTIVE MANAGERS. NEW YORK: AMACOM, 2000.
MLA aipamenaGOOTNICK M M. ACTION TOOLS FOR EFFECTIVE MANAGERS. AMACOM, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.