Villegas Iriarte, E. (2016). Knowledge building in the social Web: State of the art. Universidad Pedagógica y Tecnológica de Colombia.
Čikaški stil citiranja (17. izdanje)Villegas Iriarte, Edgar. Knowledge Building in the Social Web: State of the Art. Universidad Pedagógica y Tecnológica de Colombia, 2016.
MLA način citiranja (9. izdanje)Villegas Iriarte, Edgar. Knowledge Building in the Social Web: State of the Art. Universidad Pedagógica y Tecnológica de Colombia, 2016.
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