APA Style
Rahardi, Kunjana. (2007).
Practical english business correspondence .
Yogyakarta:
Kanisus.
Chicago Style
Rahardi, Kunjana.
Practical english business correspondence.
Yogyakarta:
Kanisus,
2007.
Text.
MLA Style
Rahardi, Kunjana.
Practical english business correspondence.
Yogyakarta:
Kanisus,
2007.
Text.
Turabian Style
Rahardi, Kunjana.
Practical english business correspondence.
Yogyakarta:
Kanisus,
2007.
Print.