Ymchwil
Mae nifer cynyddol o waith ymchwil yn cael ei wneud ar fanteision dwyieithrwydd ar hyd a lled y byd. Dyma deitlau diweddaraf:
- Annick De Houwer Bilingual First Language Acquisition (Multilingual Matters Limited, 2009).
- Stephen Matthews and Virginia Yip The Bilingual Child Early Development and Language Contact (Cambridge University Press, 2007 ).
- Suzanne Barron - Hauwaert Language Strategies For Bilingual Families (Multilingual Matters Limited, 2004).