Gaya APA
Hadikusumo, Cherryl L.. (2005).
Business English .
Malang:
Bayumedia.
Gaya Chicago
Hadikusumo, Cherryl L..
Business English.
Malang:
Bayumedia,
2005.
Text.
Gaya MLA
Hadikusumo, Cherryl L..
Business English.
Malang:
Bayumedia,
2005.
Text.
Gaya Turabian
Hadikusumo, Cherryl L..
Business English.
Malang:
Bayumedia,
2005.
Print.