Gaya APA

Barry, M. (2010). Practice Tests for IGCSE English as a Second Language Listening and Speaking Book 1 Revised Edition (Cet 2). New York: Cambridge University.

Gaya MLA

Barry, Marian. "Practice Tests for IGCSE English as a Second Language Listening and Speaking Book 1 Revised Edition". Cet 2 New York: Cambridge University, 2010. Text.