Citazione APA

Langan, J. (2005). English skills and English skills with readings (6th ed.). New York: McGraw-Hill.

Stile di citazione Chicago

Langan, John. English Skills and English Skills With Readings. 6th ed. New York: McGraw-Hill, 2005.

Citazione MLA

Langan, John. English Skills and English Skills With Readings. 6th ed. New York: McGraw-Hill, 2005.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.