3. Language aptitude: advancing theory, testing, research and practice New York, NY : Routledge, 2019. ENG364
4. Key topics in second language acquisition Cook, Vivian, 1940-2021, Bristol, UK : Multilingual Matters, [2014] ENG103
5. First and second language acquisition: parallels and differences Meisel, Jürgen M., Cambridge, United Kingdom : Cambridge University Press, 2011. CHI379
6. Understanding second language acquisition Ortega, Lourdes. London : Hodder Education, 2009. ENG364
9. Researching pedagogic tasks: second language learning, teaching and testing Harlow, England ; Longman, 2001. ENG325
10. Exploring language pedagogy through second language acquisition research London ; Routledge/Taylor & Francis Group, 2014. ENG364
