Blume, M., & Lust, B. (2017). Research methods in language acquisition: Principles, procedures, and practices (First Edition.). American Psychological Association ; De Gruyter Mouton.
Chicago-referens (17:e uppl.)Blume, María, och Barbara Lust. Research Methods in Language Acquisition: Principles, Procedures, and Practices. First Edition. Washington, DC : Boston: American Psychological Association ; De Gruyter Mouton, 2017.
MLA-referens (8:e uppl.)Blume, María, och Barbara Lust. Research Methods in Language Acquisition: Principles, Procedures, and Practices. First Edition. American Psychological Association ; De Gruyter Mouton, 2017.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.