Gaya APA

Doddy, A. et al (2008). Developing english competencies 1: for Senior High School (SMA/MA) grade X . Jakarta: Pusat Perbukuan, Departemen Pendidikan Nasional.

Gaya MLA

Doddy, Achmad. et al. "Developing english competencies 1: for Senior High School (SMA/MA) grade X". Jakarta: Pusat Perbukuan, Departemen Pendidikan Nasional, 2008. Digital Book.