Gaya APA
Sudarwati, T, M. et al (2008).
Look Ahead An English Course For Senior High School Students Year XII (cetakan 13).
Jakarta:
Erlangga.
Gaya MLA
Sudarwati, Th., M.. et al.
"Look Ahead An English Course For Senior High School Students Year XII".
cetakan 13
Jakarta:
Erlangga,
2008.
Text.