Mc Dermott Ian. (2006). Excellence in communication -using the NLP approch. Infinity Books.
Lua i Stíl Chicago (17ú heag.)Mc Dermott Ian. Excellence in Communication -using the NLP Approch. Delhi: Infinity Books, 2006.
Lua MLA (9ú heag.)Mc Dermott Ian. Excellence in Communication -using the NLP Approch. Infinity Books, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.