Gaya APA
Susatyo, Sunu Tri. (2003).
Business English American Style (Cet.1).
Bandung:
Yrama Widya.
Gaya Chicago
Susatyo, Sunu Tri.
Business English American Style .
Cet.1
Bandung:
Yrama Widya,
2003.
UMUM.
Gaya MLA
Susatyo, Sunu Tri.
Business English American Style .
Cet.1
Bandung:
Yrama Widya,
2003.
UMUM.
Gaya Turabian
Susatyo, Sunu Tri.
Business English American Style .
Cet.1
Bandung:
Yrama Widya,
2003.
UMUM.