Gaya APA
Cyssco, D, R.
(2000).
English Grammar Practice for TOEFL; persiapan tes
.
Jakarta:
Puspa Swara.
Gaya MLA
Cyssco, Dhanny, R,.
"English Grammar Practice for TOEFL; persiapan tes".
Jakarta:
Puspa Swara,
2000.
Text.