Gaya APA
Susatyo, Sunu Tri. (2003).
Business english american style .
Bandung:
Yrama Widya.
Gaya Chicago
Susatyo, Sunu Tri.
Business english american style.
Bandung:
Yrama Widya,
2003.
Text.
Gaya MLA
Susatyo, Sunu Tri.
Business english american style.
Bandung:
Yrama Widya,
2003.
Text.
Gaya Turabian
Susatyo, Sunu Tri.
Business english american style.
Bandung:
Yrama Widya,
2003.
Print.