Cita APA

Donaghue, H., & Potter, H. (2000). Clockwise: Upper-intermediate. Teacher's resource Pack. Oxford: Oxford Univ. Press.

Chicago Style Citation

Donaghue, Helen, i Heather Potter. Clockwise: Upper-intermediate. Teacher's Resource Pack. Oxford: Oxford Univ. Press, 2000.

Cita MLA

Donaghue, Helen, i Heather Potter. Clockwise: Upper-intermediate. Teacher's Resource Pack. Oxford: Oxford Univ. Press, 2000.

Atenció: Aquestes cites poden no estar 100% correctes.