Leiderman, R. (1990). The telephone book: How to find get,keep and develop customers. McGraw Hill.
シカゴスタイル引用形Leiderman, Robert. The Telephone Book: How to Find Get,keep and Develop Customers. London: McGraw Hill, 1990.
MLA引用形式Leiderman, Robert. The Telephone Book: How to Find Get,keep and Develop Customers. McGraw Hill, 1990.
警告: この引用は必ずしも正確ではありません.