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