Gaya APA
Kurnia. (2014).
101 Great tips for a salesperson .
Yogyakarta:
.
Gaya Chicago
Kurnia.
101 Great tips for a salesperson.
Yogyakarta:
,
2014.
Text.
Gaya MLA
Kurnia.
101 Great tips for a salesperson.
Yogyakarta:
,
2014.
Text.
Gaya Turabian
Kurnia.
101 Great tips for a salesperson.
Yogyakarta:
,
2014.
Print.