Debashis Sarkar. (2013). How can I Help you? 5 Mistakes to avoid in customer service. Random House India.
Chicago-стиль цитированияDebashis Sarkar. How Can I Help You? 5 Mistakes to Avoid in Customer Service. Random House India, 2013.
MLA-цитированиеDebashis Sarkar. How Can I Help You? 5 Mistakes to Avoid in Customer Service. Random House India, 2013.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.