Gaya APA
Buku Materi Pokok BUSINESS ENGLISH PING 4448/2 SKS/Modul 4-6
.
(1985).
BANDUNG:
KARISMA.
Gaya MLA
Buku Materi Pokok BUSINESS ENGLISH PING 4448/2 SKS/Modul 4-6
.
.
BANDUNG:
KARISMA,
1985.
Text.