Becerra, C. Y. (2006). Materials Assessment: A Shared Responsibility among Teachers and Students. Universidad Nacional de Colombia.
Citazione stile Chigago Style (17a edizione)Becerra, Claudia Yolanda. Materials Assessment: A Shared Responsibility Among Teachers and Students. Universidad Nacional de Colombia, 2006.
Citatione MLA (9a ed.)Becerra, Claudia Yolanda. Materials Assessment: A Shared Responsibility Among Teachers and Students. Universidad Nacional de Colombia, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.