Gaya APA

Astuti, E, M. et al (2015). Mandiri practise your english competence for vocational school grade XII : kurikulum 2013 . Jakarta: Erlangga.

Gaya MLA

Astuti, Eka, Mulya. et al. "Mandiri practise your english competence for vocational school grade XII : kurikulum 2013". Jakarta: Erlangga, 2015. Text.