Craven, R. (2002). Customer is king: How to exceed their expectations. Virgin Books.
Chicagoスタイル(17版)引用形式Craven, Robert. Customer Is King: How to Exceed Their Expectations. London: Virgin Books, 2002.
MLA(9版)引用形式Craven, Robert. Customer Is King: How to Exceed Their Expectations. Virgin Books, 2002.
警告: この引用は必ずしも正確ではありません.