Gaya APA
R.Cyssco, D. (2004).
English Grammar Practice For Toefl Preparation Test Edisi Revisi .
Jakarta:
Jakarta : Puspaswara,.
Gaya MLA
R.Cyssco, Dhanny.
"English Grammar Practice For Toefl Preparation Test Edisi Revisi".
Jakarta:
Jakarta : Puspaswara,,
2004.
Text.