Gaya APA
Lie, A., Limuil, S. (2001).
Beyond the classroom: english for academic purpose .
Jakarta:
PT. Gramedia Widiasarana Indonesia.
Gaya MLA
Lie, Anita.., Limuil, Sarah..
"Beyond the classroom: english for academic purpose".
Jakarta:
PT. Gramedia Widiasarana Indonesia,
2001.
Printed Book.