Craven, R. (2002). Customer is king: How to exceed their expectations. Virgin Books.
Style de citation Chicago (17e éd.)Craven, Robert. Customer Is King: How to Exceed Their Expectations. London: Virgin Books, 2002.
Style de citation MLA (9e éd.)Craven, Robert. Customer Is King: How to Exceed Their Expectations. Virgin Books, 2002.
Attention : ces citations peuvent ne pas être correctes à 100%.