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