Gaya APA
Priyana, J. et al (2008).
Interlanguage: English for Senior High School Students XI Science And Social Programme .
JAKARTA:
Pusat Perbukuan.
Gaya MLA
Priyana, Joko. et al.
"Interlanguage: English for Senior High School Students XI Science And Social Programme".
JAKARTA:
Pusat Perbukuan,
2008.
Text.