Blume, M., & Lust, B. (2017). Research methods in language acquisition: Principles, procedures, and practices (First Edition.). American Psychological Association ; De Gruyter Mouton.
Chicago-viite (17. p.)Blume, María, ja Barbara Lust. Research Methods in Language Acquisition: Principles, Procedures, and Practices. First Edition. Washington, DC : Boston: American Psychological Association ; De Gruyter Mouton, 2017.
MLA-viite (8. p.)Blume, María, ja Barbara Lust. Research Methods in Language Acquisition: Principles, Procedures, and Practices. First Edition. American Psychological Association ; De Gruyter Mouton, 2017.
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