Leiderman, R. (1990). The telephone book: How to find get,keep and develop customers. McGraw Hill.
Citación estilo ChicagoLeiderman, Robert. The Telephone Book: How to Find Get,keep and Develop Customers. London: McGraw Hill, 1990.
Cita MLALeiderman, Robert. The Telephone Book: How to Find Get,keep and Develop Customers. McGraw Hill, 1990.
Warning: These citations may not always be 100% accurate.