Penggayaan APA
Language learning in business english interactive ep. 4-6. (s.a).
s.l:
.
Chicago Style
Language learning in business english interactive ep. 4-6.
.
s.l:
,
s.a.
CD-ROM.
MLA Style
Language learning in business english interactive ep. 4-6.
.
s.l:
,
s.a.
CD-ROM.
Turabian Style
Language learning in business english interactive ep. 4-6.
s.l:
,
s.a.
CD-ROM.