Werner, P. K. (1990). Interactions II: A communicative grammar. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoWerner, Patricia K. Interactions II: A Communicative Grammar. New York: McGraw-Hill, 1990.
Deismireacht MLAWerner, Patricia K. Interactions II: A Communicative Grammar. New York: McGraw-Hill, 1990.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.