Medina Peña, H. (2013). IELTS Test Training for Students in Order to Identify Students’ Perceptions and Progress in the Exam. Universidad Pedagógica y Tecnológica de Colombia.
Chicago-čujuhus (17. p.)Medina Peña, Hilda. IELTS Test Training for Students in Order to Identify Students’ Perceptions and Progress in the Exam. Universidad Pedagógica y Tecnológica de Colombia, 2013.
MLA-čujuhus (9. p.)Medina Peña, Hilda. IELTS Test Training for Students in Order to Identify Students’ Perceptions and Progress in the Exam. Universidad Pedagógica y Tecnológica de Colombia, 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.