Cikkek a két- vagy többnyelvűségről

http://index.hu/tudomany/2009/07/22/magyar_kutatono_fejti_meg_a_ketnyelvuseg_titkat/ 

http://www.npr.org/2011/02/25/134059279/being-bilingual-not-only-a-boon-for-native-tongues 

http://www.wickedlocal.com/newton/news/education/x1647201890/Languages-flow-in-this-Newton-family 

http://www.aloveforlanguage.com/articles/language-development/raising-bilingual-children-how-to-compete-with-the-mainstream-language.html