(2001). Harvard business review on customer relationship management. Harvard Business School.
Chicago-стиль цитированияHarvard Business Review on Customer Relationship Management. Harvard Business School, 2001.
MLA-цитированиеHarvard Business Review on Customer Relationship Management. Harvard Business School, 2001.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.