Penggayaan APA
GRADDOL, David. (2007).
English next: .
[s.l.]:
British Council.
Chicago Style
GRADDOL, David.
English next:.
[s.l.]:
British Council,
2007.
Buku.
MLA Style
GRADDOL, David.
English next:.
[s.l.]:
British Council,
2007.
Buku.
Turabian Style
GRADDOL, David.
English next:.
[s.l.]:
British Council,
2007.
Buku.