Gaya APA
SUDARWATI, T, M. et al (2008).
Look Ahead Book 1: An English Course for Senior High School Students Year X .
Jakarta:
Erlangga.
Gaya MLA
SUDARWATI, Th., M.. et al.
"Look Ahead Book 1: An English Course for Senior High School Students Year X".
Jakarta:
Erlangga,
2008.
Text.