Gaya APA
Deakin, Greg. (1996).
Practice tests for IELTS - student edition .
Victoria:
IALF.
Gaya Chicago
Deakin, Greg.
Practice tests for IELTS - student edition.
Victoria:
IALF,
1996.
Buku.
Gaya MLA
Deakin, Greg.
Practice tests for IELTS - student edition.
Victoria:
IALF,
1996.
Buku.
Gaya Turabian
Deakin, Greg.
Practice tests for IELTS - student edition.
Victoria:
IALF,
1996.
Buku.