Gaya APA

Wardiman, A., B., M. (2008). English in Focus For Grade IX Junior High School (SMP/MTS) (cet.1). Jakarta: Pusat Perbukuan Departemen Pendidikab Nasional.

Gaya MLA

Wardiman, Artono., B., Masduki. "English in Focus For Grade IX Junior High School (SMP/MTS)". cet.1 Jakarta: Pusat Perbukuan Departemen Pendidikab Nasional, 2008. Text.