References
- Cook , V. 2002 . “ Background to the L2 user ” . In Portraits of The L2 User , Edited by: Cook , V. 1 – 28 . Clevedon : Multilingual Matters .
- Hammarberg , B. 2001 . “ Roles of L1 and L2 in L3 production and acquisition ” . In Cross-Linguistic Influence in Third Language Acquisition: Psycholinguistic Perspectives , Edited by: Cenoz , Jasone , Hufeisen , Britta and Jessner , Ulrike . 30 – 64 . Clevedon : Multilingual Matters .
- Herdina , P. and Ulrike , J. 2002 . A Dynamic Model of Multilingualism. Perspectives of Change in Psycholinguistics , Clevedon : Multilingual Matters .