Gaya APA
Scott, D, M. (2016).
The new rules of sales and service (Edisi 1).
United State of America:
John Wiley & Sons, Inc..
Gaya MLA
Scott, David, Meerman.
"The new rules of sales and service".
Edisi 1
United State of America:
John Wiley & Sons, Inc.,
2016.
TEXT.