Cita APA (7th ed.)
Skills, S. (2001). Effective call centre training. Excel Books.
Cita Chicago (17th ed.)
Skills, Soft. Effective Call Centre Training. New Delhi: Excel Books, 2001.
Cita MLA (9th ed.)
Skills, Soft. Effective Call Centre Training. Excel Books, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.