Viáfara, J. J. (2013). Comparing L1 With L2 Acquisition: How Learning Factors and Stages Reveal Differences and Similarities Between the Two Processes. Universidad Pedagógica y Tecnológica de Colombia.
Chicago-referens (17:e uppl.)Viáfara, John Jairo. Comparing L1 With L2 Acquisition: How Learning Factors and Stages Reveal Differences and Similarities Between the Two Processes. Universidad Pedagógica y Tecnológica de Colombia, 2013.
MLA-referens (9:e uppl.)Viáfara, John Jairo. Comparing L1 With L2 Acquisition: How Learning Factors and Stages Reveal Differences and Similarities Between the Two Processes. Universidad Pedagógica y Tecnológica de Colombia, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.
