Gaya APA
Cyssco, D, R. (2000).
English Grammar Practice For TOEFL Preparation Test Edisi Revisi .
Jakarta:
Puspa Swara.
Gaya MLA
Cyssco, Dhanny, R..
"English Grammar Practice For TOEFL Preparation Test Edisi Revisi".
Jakarta:
Puspa Swara,
2000.
Text.