Spector Robert. (2002). Anytime, Anywhere: How the Best Bricks-and-Clicks Businesses deliver seamless service to their customers. Perseus Publishing.
Цитирование в стиле Чикаго (17-е изд.)Spector Robert. Anytime, Anywhere: How the Best Bricks-and-Clicks Businesses Deliver Seamless Service to Their Customers. USA: Perseus Publishing, 2002.
Цитирование MLA (9-е изд.)Spector Robert. Anytime, Anywhere: How the Best Bricks-and-Clicks Businesses Deliver Seamless Service to Their Customers. Perseus Publishing, 2002.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.