Gaya APA
Doddy,dkk, A. (2008).
Ebook English: Developing English for Senior high school grade XII of natural and social science program (1).
Jakarta:
Depdiknas.
Gaya MLA
Doddy,dkk, Achmad.
"Ebook English: Developing English for Senior high school grade XII of natural and social science program".
1
Jakarta:
Depdiknas,
2008.
Text.