Gaya APA
GRAHAM, J, R. (1996).
Two hundred and three (203)ways to be supremely successful in the new world of selling .
New York:
Macmillan Publishing.
Gaya MLA
GRAHAM, John, R..
"Two hundred and three (203)ways to be supremely successful in the new world of selling".
New York:
Macmillan Publishing,
1996.
Text.