Balukas, Colleen; Koops, Christian (2014). "Spanish-English bilingual voice onset time in spontaneous code-switching". International Journal of Bilingualism. 19 (4): 423–443. doi:10.1177/1367006913516035. ISSN1367-0069. S2CID144159300.
Brumbaugh, Susan; Koops, Christian (December 1, 2017). "Vowel Variation in Albuquerque, New Mexico". Publication of the American Dialect Society. 102 (1). 31-57. p. 49. doi:10.1215/00031283-4295200.
ed.gov
files.eric.ed.gov
Metcalf, Allan (1979). Chicano English(PDF). Language in Education: Theory and Practice, 21. Arlington, Va.: Center for Applied Linguistics.
Balukas, Colleen; Koops, Christian (2014). "Spanish-English bilingual voice onset time in spontaneous code-switching". International Journal of Bilingualism. 19 (4): 423–443. doi:10.1177/1367006913516035. ISSN1367-0069. S2CID144159300.
Balukas, Colleen; Koops, Christian (2014). "Spanish-English bilingual voice onset time in spontaneous code-switching". International Journal of Bilingualism. 19 (4): 423–443. doi:10.1177/1367006913516035. ISSN1367-0069. S2CID144159300.