APA (7e ed.) Bronvermelding

Rumbauskas, F. J. (2007). Selling Sucks How to Stop Selling and Start Getting Prospects to Buy. John Wiley & Sons.

Chicago (17e ed.) Bronvermelding

Rumbauskas, Frank J. Selling Sucks How to Stop Selling and Start Getting Prospects to Buy. John Wiley & Sons, 2007.

MLA (8e ed.) Bronvermelding

Rumbauskas, Frank J. Selling Sucks How to Stop Selling and Start Getting Prospects to Buy. John Wiley & Sons, 2007.

Let op: Deze citaties zijn niet altijd 100% accuraat.