APA citiranje

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

Trích dẫn kiểu Chicago

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

MLA citiranje

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