Robayo Guerrero, J. O. (2017). Reducing Anxiety and Shyness for Oral Interaction Improvement in a Cooperative Learning Environment. Universidad Pedagógica y Tecnológica de Colombia.
Čikaški stil citiranja (17. izdanje)Robayo Guerrero, Jorge Orlando. Reducing Anxiety and Shyness for Oral Interaction Improvement in a Cooperative Learning Environment. Universidad Pedagógica y Tecnológica de Colombia, 2017.
MLA način citiranja (9. izdanje)Robayo Guerrero, Jorge Orlando. Reducing Anxiety and Shyness for Oral Interaction Improvement in a Cooperative Learning Environment. Universidad Pedagógica y Tecnológica de Colombia, 2017.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.
