Gaya APA

Grace, T, M, S, , D, E. (205). Look Ahead An English Course for Senior High School Students Year XII Jilid 3 KTSP 2004 (1). Jakarta: Erlangga.

Gaya MLA

Grace, Th., M., Sudarwati, , Dan, Eudia. "Look Ahead An English Course for Senior High School Students Year XII Jilid 3 KTSP 2004". 1 Jakarta: Erlangga, 205. Text.