Gaya APA
Thull, J. (2006).
Exceptional Selling: How the Best Connect and Win in High Stakes Sales (Edisi 1).
United State of America:
John Wiley & Sons, Inc..
Gaya MLA
Thull, Jeff.
"Exceptional Selling: How the Best Connect and Win in High Stakes Sales".
Edisi 1
United State of America:
John Wiley & Sons, Inc.,
2006.
TEXT.