Muysken, Pieter
Bilingual speech: a typology of code-mixing
Cambridge University Press, 2000
 Buku Teks SO
Quirk, Randolph
The linguist and the English language / Randolph Quirk
Edward Arnold, 1974
 Buku Teks SO
RECORD
Library Association,
 Majalah, Jurnal, Buletin
Hulit, Lloyd M.
Born to talk : an introduction to speech and language development
Allyn & Bacon, 1997
 Buku Teks SO
Soriente, Antonia
Language development of bilingual children : a case study in the acquisition of tense and aspect in an italian-indonesian child
Faculty of Humanities University of Indonesia, 2014
 Artikel Jurnal