Gaya APA
Doddy, A. (2008).
Developing English Competencies For Senior High School ( SMA/MA)Grade X .
Surabaya:
JP Books.
Gaya MLA
Doddy, Achmad.
"Developing English Competencies For Senior High School ( SMA/MA)Grade X".
Surabaya:
JP Books,
2008.
Text.