Blume, M., Lust, B., Dye, C. D., Foley, C. A., & Kedar, Y. (2017). Research methods in language acquisition: Principles, procedures, and practices (First edition.). American Psychological Association ; De Gruyter Mouton.

Blume, María, Barbara Lust, Cristina D. Dye, Claire A. Foley, and Yarden Kedar. Research Methods in Language Acquisition: Principles, Procedures, and Practices. First edition. Washington, DC : Boston: American Psychological Association ; De Gruyter Mouton, 2017.

Blume, María, et al. Research Methods in Language Acquisition: Principles, Procedures, and Practices. First edition. American Psychological Association ; De Gruyter Mouton, 2017.