Sarkar, D. (2013). How can i help you ? mistakes to avoid in customer service.
Chicago-стиль цитированияSarkar, Debahis. How Can I Help You ? Mistakes to Avoid in Customer Service. Random House; India, 2013.
MLA-цитированиеSarkar, Debahis. How Can I Help You ? Mistakes to Avoid in Customer Service. 2013.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.