APA Citatie

Helgesen, M. (2007). Practical English language teaching: Listening. New York: McGraw-Hill.

Chicago Style citaat

Helgesen, Marc. Practical English Language Teaching: Listening. New York: McGraw-Hill, 2007.

MLA citatie

Helgesen, Marc. Practical English Language Teaching: Listening. New York: McGraw-Hill, 2007.

Let op: Deze citaties zijn niet altijd 100% accuraat.