Gaya APA
Loo, L.
(1993).
Preston assesment papers english 5 : with answers / Loo, Linda
.
Jakarta:
Bina Rupa Aksara.
Gaya MLA
Loo, Linda.
"Preston assesment papers english 5 : with answers / Loo, Linda".
Jakarta:
Bina Rupa Aksara,
1993.
Buku.