Gaya APA
Every Day Business English. (2003).
England:
Longman.
Gaya Chicago
Every Day Business English.
.
England:
Longman,
2003.
.
Gaya MLA
Every Day Business English.
.
England:
Longman,
2003.
.
Gaya Turabian
Every Day Business English.
England:
Longman,
2003.
.