Lucas, S. E. (2004). The art of public speaking. Boston: McGraw-Hill.
Trích dẫn kiểu ChicagoLucas, Stephen E. The Art of Public Speaking. Boston: McGraw-Hill, 2004.
Deismireacht MLALucas, Stephen E. The Art of Public Speaking. Boston: McGraw-Hill, 2004.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.