Gaya APA
Reece, B, L., manning, G, L. (1991).
Sales and Sales management Today : A Readings Book .
United Stated of America:
Ally nd Bacon.
Gaya MLA
Reece, Barry, L., manning, Gerald, L.
"Sales and Sales management Today : A Readings Book".
United Stated of America:
Ally nd Bacon,
1991.
Text.