Gaya APA
Wilkinson, G., Hariyanto, D. (2004).
Complete english grammar/ George Wilkinson, Dony Hariyanto .
Jakarta:
Pustaka Indonesia.
Gaya MLA
Wilkinson, George., Hariyanto, Dony.
"Complete english grammar/ George Wilkinson, Dony Hariyanto".
Jakarta:
Pustaka Indonesia,
2004.
Text.