Gaya APA
Kurniawan, E. (2008).
Communication Builder English for Vocational School for Intermediate Level (Grade III) (I).
Jakarta:
Aneka Ilmu.
Gaya MLA
Kurniawan, Eri.
"Communication Builder English for Vocational School for Intermediate Level (Grade III)".
I
Jakarta:
Aneka Ilmu,
2008.
.