Dugdale, K., & Lambert, D. (2007). Smarter selling: Next generation sales strategies to meet your buyer's needs, every time. Financial Times Prentice Hall.
Цитирование в стиле Чикаго (17-е изд.)Dugdale, Keith, и David Lambert. Smarter Selling: Next Generation Sales Strategies to Meet Your Buyer's Needs, Every Time. Harlow: Financial Times Prentice Hall, 2007.
Цитирование MLA (8-е изд.)Dugdale, Keith, и David Lambert. Smarter Selling: Next Generation Sales Strategies to Meet Your Buyer's Needs, Every Time. Financial Times Prentice Hall, 2007.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.