Gaya APA
Priyana, J. et al (2008).
Interlanguage: English for Senior High School Student XII (Pertama).
Jakarta:
PUTRA NUGRAHA.
Gaya MLA
Priyana, Joko. et al.
"Interlanguage: English for Senior High School Student XII".
Pertama
Jakarta:
PUTRA NUGRAHA,
2008.
Text.