Raina, A. (2004). Speak right for a call centre job: A complete training guide for international telephone interface. Penguin Books India.
Chicago-стиль цитированияRaina, Arjun. Speak Right for a Call Centre Job: A Complete Training Guide for International Telephone Interface. New Delhi: Penguin Books India, 2004.
MLA-цитированиеRaina, Arjun. Speak Right for a Call Centre Job: A Complete Training Guide for International Telephone Interface. Penguin Books India, 2004.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.