Gaya APA
Setyarini, S. (2006).
Successful English for Business: Develop Your Speaking Skill in the Business (Ed.I).
Yogjakarta:
Penerbit ANDI.
Gaya MLA
Setyarini, Susana.
"Successful English for Business: Develop Your Speaking Skill in the Business".
Ed.I
Yogjakarta:
Penerbit ANDI,
2006.
Text.