Craven, R. (2002). Customer is king: How to exceed their expectations. Virgin Books.
Цитирование в стиле Чикаго (17-е изд.)Craven, Robert. Customer Is King: How to Exceed Their Expectations. London: Virgin Books, 2002.
Цитирование MLA (9-е изд.)Craven, Robert. Customer Is King: How to Exceed Their Expectations. Virgin Books, 2002.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.