Harris, C. NLP made easy: An easy-to-follow introduction to NLP. Element.
Lua i Stíl Chicago (17ú heag.)Harris, Carol. NLP Made Easy: An Easy-to-follow Introduction to NLP. Element.
Lua MLA (9ú heag.)Harris, Carol. NLP Made Easy: An Easy-to-follow Introduction to NLP. Element.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.