Gaya APA
Sudarwati, T, M. (2006).
Look Ahead An English Course For Senior High School Students Year XI KTSP Standar Isi 2006 .
Jakarta:
Erlangga.
Gaya MLA
Sudarwati, Th., M..
"Look Ahead An English Course For Senior High School Students Year XI KTSP Standar Isi 2006".
Jakarta:
Erlangga,
2006.
Book.