Gaya APA

Sudarwati, T, M. (2009). Look Ahead 3 An English Course For Senior High School Students Year XII Science and Social Study Program . Jakarta: Erlangga.

Gaya MLA

Sudarwati, Th., M.. "Look Ahead 3 An English Course For Senior High School Students Year XII Science and Social Study Program". Jakarta: Erlangga, 2009. Text.