Gaya APA
Peter Salim, Drs. (1985).
Business English .
Jakarta:
.
Gaya Chicago
Peter Salim, Drs.
Business English.
Jakarta:
,
1985.
Text.
Gaya MLA
Peter Salim, Drs.
Business English.
Jakarta:
,
1985.
Text.
Gaya Turabian
Peter Salim, Drs.
Business English.
Jakarta:
,
1985.
Print.