APA Style
Johan
, Rita. (2014).
Business English .
Jakarta:
Grasindo.
Chicago Style
Johan
, Rita.
Business English.
Jakarta:
Grasindo,
2014.
Text.
MLA Style
Johan
, Rita.
Business English.
Jakarta:
Grasindo,
2014.
Text.
Turabian Style
Johan
, Rita.
Business English.
Jakarta:
Grasindo,
2014.
Print.