APA Style
Hariyanto, Sugeng. (2006).
English business correspondence .
:
Kanisius.
Chicago Style
Hariyanto, Sugeng.
English business correspondence.
:
Kanisius,
2006.
Text.
MLA Style
Hariyanto, Sugeng.
English business correspondence.
:
Kanisius,
2006.
Text.
Turabian Style
Hariyanto, Sugeng.
English business correspondence.
:
Kanisius,
2006.
Print.