APA Style
Barry, M. (2006).
Practice Tests for IGCSE english as a second language , listening and speaking (book 1 revised edition) .
Cambridge:
Cambridge University Press.
MLA Style
Barry, Marian.
"Practice Tests for IGCSE english as a second language , listening and speaking (book 1 revised edition)".
Cambridge:
Cambridge University Press,
2006.
Text.