Gaya APA

Sudarwati, T, M. (2006). Look Ahead: An English Course for Senior High School Students Year XII (Cet. 1). Jakarta: Erlangga.

Gaya MLA

Sudarwati, Th., M.. "Look Ahead: An English Course for Senior High School Students Year XII". Cet. 1 Jakarta: Erlangga, 2006. Text.