Gaya APA
Sudarwati, T, M. (2007).
Look Ahead An English Course For Senior High School Students Year X 1 .
Jakarta:
Penerbit Erlangga.
Gaya MLA
Sudarwati, Th., M..
"Look Ahead An English Course For Senior High School Students Year X 1".
Jakarta:
Penerbit Erlangga,
2007.
Text.