Lambert, Craig, y Danny Minn. 2017. «PERSONAL INVESTMENT IN L2 TASK DESIGN AND LEARNING: A CASE STUDY OF TWO JAPANESE LEARNERS OF ENGLISH». ELIA: Estudios De Lingüística Inglesa Aplicada, n.º 7 (enero):127-48. https://revistas.uned.es/index.php/ELIA/article/view/18276.