Gaya APA

Heasley, B. et al (1999). English In Use [Jilid 1b]: for SMU Year I Second Semester [Kur. th. 1994] (Ed. 2. Cet. 2.--). Jakarta: Erlangga.

Gaya MLA

Heasley, Brendan. et al. "English In Use [Jilid 1b]: for SMU Year I Second Semester [Kur. th. 1994]". Ed. 2. Cet. 2.-- Jakarta: Erlangga, 1999. Text.