Gaya APA

Kurniawan, E., Kuiniawan, A. (2008). Communication Builder English For Vocational School; For Intermediete level (Grade XII) SMK . Semarang: Aneka Ilmu.

Gaya MLA

Kurniawan, Eri., Kuiniawan, Arief. "Communication Builder English For Vocational School; For Intermediete level (Grade XII) SMK". Semarang: Aneka Ilmu, 2008. Text.