Gaya APA
ADAMS, Penny. (1991).
Sosio- cultural issues in engglish for academic purposes .
London:
Macmillan Pulisher Limited.
Gaya Chicago
ADAMS, Penny.
Sosio- cultural issues in engglish for academic purposes.
London:
Macmillan Pulisher Limited,
1991.
BUKU.
Gaya MLA
ADAMS, Penny.
Sosio- cultural issues in engglish for academic purposes.
London:
Macmillan Pulisher Limited,
1991.
BUKU.
Gaya Turabian
ADAMS, Penny.
Sosio- cultural issues in engglish for academic purposes.
London:
Macmillan Pulisher Limited,
1991.
BUKU.