Gaya APA
Weitz, B, A. et al
(1998).
Selling : building partnerships
(
Third Edition)
.
Boston:
Irwin/McGraw-Hill.
Gaya MLA
Weitz, Bart, A.. et al.
"Selling : building partnerships".
Third Edition
Boston:
Irwin/McGraw-Hill,
1998.
Teks.