Gaya APA
Chapelle, C, A., Douglas, D. (2007).
Assessing Language Through Technology (Cet. 2).
Inggris:
Cambridge Univerity Press.
Gaya MLA
Chapelle, Carol, A.., Douglas, Dan.
"Assessing Language Through Technology".
Cet. 2
Inggris:
Cambridge Univerity Press,
2007.
Art Original.