Gaya APA
Allsop, J.
(1990).
Cassell's students' English grammar : Jake Allsop
(
Cet. 1)
.
Jakarta:
Binarupa Aksara.
Gaya MLA
Allsop, Jake.
"Cassell's students' English grammar : Jake Allsop".
Cet. 1
Jakarta:
Binarupa Aksara,
1990.
Buku.