Biber, D.; S. Johansson; G. Leech, S. Conrad and E. Finegan (1999). The Longman Grammar of Spoken and Written English. Essex, England: Longman.
Butterworth, G. and E.M. Hatch (1978). “A Spanish-Speaking Adolescent's Acquisition of English Syntax” in E.M., Hatch (ed.) Second Language...
Cancino, H.; E. Rosansky and J.H. Schumann (1978). “The Acquisition of English Negatives and Interrogatives by Native Spanish Speakers” in...
Cazden, C.; H. Cancino, R. Rosansky and J.H. Schumann (1975). Second Language Acquisition Sequences in Children, Adolescents, and Adults....
Colin, A. and H. Holec (1985). “Foreign Language Acquisition Processes in a Secondary School Setting: Negation” in P. Riley (ed.) Discourse...
Ellis, R. (1994). The Study of Second Language Acquisition. Oxford: Oxford University Press.
Granger, S.; E., Dagneaux and F., Meunier (eds.) (2002). International Corpus of Learner English. CDROM Version 1.1. Universitè Catholique...
Huddleston, R. and G.K. Pullum (2002). The Cambridge Grammar of the English Language. Cambridge: Cambridge University Press. https://doi.org/10.1017/9781316423530
Klima, E. and U. Bellugi (1966). “Syntactic Regularities in the Speech of Children” in J., Lyons and R.J., Wales (eds.). Psycholinguistic...
Milon, J. (1974). “The Development of Negation in English by a Second Language Learner.” TESOL Quarterly, 8:137-143. https://doi.org/10.2307/3585537
