Gaya APA
Astuti, E, M. (2010).
English Zone 3 for Senior High School Students Year XII (Ed.I, Cet.1).
Jakarta:
Erlangga.
Gaya MLA
Astuti, Eka, Mulya.
"English Zone 3 for Senior High School Students Year XII".
Ed.I, Cet.1
Jakarta:
Erlangga,
2010.
Text.