Rumbauskas, F. J. (2007). Selling sucks: How to stop selling and start getting prospects to buy! Hoboken, N.J: John Wiley & Sons, Inc.
Trích dẫn kiểu ChicagoRumbauskas, Frank J. Selling Sucks: How to Stop Selling and Start Getting Prospects to Buy! Hoboken, N.J: John Wiley & Sons, Inc, 2007.
ציטוט MLARumbauskas, Frank J. Selling Sucks: How to Stop Selling and Start Getting Prospects to Buy! Hoboken, N.J: John Wiley & Sons, Inc, 2007.
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