Gaya APA

Th.M.Sudarwati, . (2014). Look Ahead An English Course 3 for senior Hight School Student Year XII; Science and Social Study Program . jakarta: Penerbit Erlangga.

Gaya MLA

Th.M.Sudarwati, . "Look Ahead An English Course 3 for senior Hight School Student Year XII; Science and Social Study Program". jakarta: Penerbit Erlangga, 2014. Text.