Style de citation APA

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

Style de citation Chicago

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

Style de citation MLA

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

Attention : ces citations peuvent ne pas être correctes à 100%.