Tucker, R. (2000). Customer service for the new millennium. East west Books.
Chicagoスタイル(17版)引用形式Tucker, Robert. Customer Service for the New Millennium. Chennai: East west Books, 2000.
MLA(9版)引用形式Tucker, Robert. Customer Service for the New Millennium. East west Books, 2000.
警告: この引用は必ずしも正確ではありません.