Gaya APA

Sudarwati, T, M. et al (2009). Look Ahead [Book 2]: An English Course for Senior High School Students Year XI Science and Social Study Program (Cet. 3.--). Jakarta: Erlangga.

Gaya MLA

Sudarwati, Th., M.. et al. "Look Ahead [Book 2]: An English Course for Senior High School Students Year XI Science and Social Study Program". Cet. 3.-- Jakarta: Erlangga, 2009. Text.