Gaya APA
Futrell, C, M.
(2014).
Fundamentals of Selling: Custumers for life Through Service
.
USA:
MC GRAW HIIL.
Gaya MLA
Futrell, Charies, M.
"Fundamentals of Selling: Custumers for life Through Service".
USA:
MC GRAW HIIL,
2014.
Text.