Gaya APA
Cyssco, D, R.
(2002).
Practical Business correspondence
(
Cet. 4)
.
Bekasi:
Kesaint Blanc.
Gaya MLA
Cyssco, Dhanny, R..
"Practical Business correspondence".
Cet. 4
Bekasi:
Kesaint Blanc,
2002.
Text.