Gaya APA
Udoyono, Bambang. (2009).
English for business negotiation and administration .
Jakarta:
Kesaint Blanc.
Gaya Chicago
Udoyono, Bambang.
English for business negotiation and administration.
Jakarta:
Kesaint Blanc,
2009.
Text.
Gaya MLA
Udoyono, Bambang.
English for business negotiation and administration.
Jakarta:
Kesaint Blanc,
2009.
Text.
Gaya Turabian
Udoyono, Bambang.
English for business negotiation and administration.
Jakarta:
Kesaint Blanc,
2009.
Print.