APA
Harris M., Mower D. & Dallas D. (1997). The World Through English : Students' Book 2. London: Longman.
Chicago
Harris Michael, Mower David and Dallas Don. 1997. The World Through English : Students' Book 2. London: Longman.
Harvard
Harris M., Mower D. and Dallas D. (1997). The World Through English : Students' Book 2. London: Longman.
MLA
Harris Michael, Mower David and Dallas Don. The World Through English : Students' Book 2. London: Longman. 1997.