Gaya APA

Sudarwati, T, M. et al (2007). Look Ahead Book 3 : An English Course for Senior High School Students Year XII Science and Social Study Program . Jakarta: Erlangga.

Gaya MLA

Sudarwati, Th., M.. et al. "Look Ahead Book 3 : An English Course for Senior High School Students Year XII Science and Social Study Program". Jakarta: Erlangga, 2007. Text.