Gaya APA
Doddy, A. et al (2008).
Developing English Competencies for Senior High School (SMA/MA) Grade X .
JAKARTA:
Pusat Perbukuan.
Gaya MLA
Doddy, Achmad. et al.
"Developing English Competencies for Senior High School (SMA/MA) Grade X".
JAKARTA:
Pusat Perbukuan,
2008.
Text.