Gaya APA
Martin, H. (2000).
Advanced Grammar in use : A self-study refrence and practice book for advanced learners of english : With answers .
Jakarta:
Erlangga,.
Gaya MLA
Martin, Hewings.
"Advanced Grammar in use : A self-study refrence and practice book for advanced learners of english : With answers".
Jakarta:
Erlangga,,
2000.
Text.