Cohen, A. D., & Macaro, E. (2007). Language learner strategies: Thirty years of research and practice. Oxford University Press.

Cohen, Andrew D., and Ernesto Macaro. Language Learner Strategies: Thirty Years of Research and Practice. Oxford ; New York: Oxford University Press, 2007.

Cohen, Andrew D., and Ernesto Macaro. Language Learner Strategies: Thirty Years of Research and Practice. Oxford University Press, 2007.