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.