Gaya APA

Nasional, P, P, D, P. (2008). Interlanguage: English For Senior High School ents XI= Language Study Programme (1). JAKARTA: .

Gaya MLA

Nasional, Pusat, Pembukuan, Departemen, Pendidikan. "Interlanguage: English For Senior High School ents XI= Language Study Programme". 1 JAKARTA: , 2008. .