Gaya APA
Cyssco, D, R.
(2006).
PRACTICAL BUSNESS CORRESPONDENCE
(
cet. 7)
.
jakarta:
Kesaint Blanc.
Gaya MLA
Cyssco, Dhanny, R..
"PRACTICAL BUSNESS CORRESPONDENCE".
cet. 7
jakarta:
Kesaint Blanc,
2006.
Text.