Gaya APA
Cyssco, D, R.
(2007).
English Grammar Practice for Toefl Preparation Test
(
Revisi)
.
Jakarta:
Puspa Swara.
Gaya MLA
Cyssco, Dhanny, R..
"English Grammar Practice for Toefl Preparation Test".
Revisi
Jakarta:
Puspa Swara,
2007.
Buku Tex.