Mallery, R., & Russell, K. (2009). NLP for rookies. Marshall Cavendish Business.
Lua i Stíl Chicago (17ú heag.)Mallery, Rebecca, agus Katherine Russell. NLP for Rookies. London: Marshall Cavendish Business, 2009.
Lua MLA (9ú heag.)Mallery, Rebecca, agus Katherine Russell. NLP for Rookies. Marshall Cavendish Business, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.