Gaya APA
Richards, Jack C.. (1999).
Interchange: English for International Communication .
United Kindom:
Cambridge Universiity Press.
Gaya Chicago
Richards, Jack C..
Interchange: English for International Communication.
United Kindom:
Cambridge Universiity Press,
1999.
Buku.
Gaya MLA
Richards, Jack C..
Interchange: English for International Communication.
United Kindom:
Cambridge Universiity Press,
1999.
Buku.
Gaya Turabian
Richards, Jack C..
Interchange: English for International Communication.
United Kindom:
Cambridge Universiity Press,
1999.
Buku.