Gaya APA

Wardiman, A. (2008). English in Focus for Grade VIII Junior High School (SMP/MTs) . Jakarta.: Pusat Perbukuan Departemen Pendidikan Nasional.

Gaya MLA

Wardiman, Artono. "English in Focus for Grade VIII Junior High School (SMP/MTs)". Jakarta.: Pusat Perbukuan Departemen Pendidikan Nasional, 2008. Text.