APA aipamena

Tony Proctor. (2009). Creative problem solving for managers. Routledge.

Chicago Style aipamena

Tony Proctor. Creative Problem Solving for Managers. Routledge, 2009.

MLA aipamena

Tony Proctor. Creative Problem Solving for Managers. Routledge, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.