APA Style

Grace, T, M, S. (2010). Look Ahead An English Course 2 for Senior High School Students Year XI (Cet 4). Jakarta: Erlangga, Jakarta.

MLA Style

Grace, Th., M., SudarwatiEudia. "Look Ahead An English Course 2 for Senior High School Students Year XI". Cet 4 Jakarta: Erlangga, Jakarta, 2010. Text.