Gaya APA
H.S, H, D, L, :, P, :, N. (2007).
Advanced English Grammar For Toefl Preparation (2).
Jakarta:
Puspa Swara.
Gaya MLA
H.S, Hotben, D., Lingga, :, Penyunting, :, Nino.
"Advanced English Grammar For Toefl Preparation".
2
Jakarta:
Puspa Swara,
2007.
TEKS.