Cook, T. A. (2017). Excellence in managing worldwide customer relationships. CRC Taylor & Francis Group.
Chicago Style aipamenaCook, Thomas A. Excellence in Managing Worldwide Customer Relationships. Boca Raton: CRC Taylor & Francis Group, 2017.
MLA aipamenaCook, Thomas A. Excellence in Managing Worldwide Customer Relationships. CRC Taylor & Francis Group, 2017.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.