Jisa, Harriet (2000). "Language mixing in the weak language: Evidence from two children". Journal of Pragmatics. 32 (9): 1363–1386. doi:10.1016/S0378-2166(99)00104-6.
iufrance.fr
"Harriet JISA". Institut Universitaire de France (in French). Retrieved 3 June 2023.