Gaya APA
Dkk, J, P. (2008).
Interlanguage : English For Senior High School Students XI .
Jakarta:
Departemen Pendidikan nasional.
Gaya MLA
Dkk, Joko, Priyam.
"Interlanguage : English For Senior High School Students XI".
Jakarta:
Departemen Pendidikan nasional,
2008.
[UMUM].