Cárdenas-Soler, R. N., & Martínez-Chaparro, D. (2015). The soundscape, a theoretical approach from semiotics point of view. Universidad Pedagógica y Tecnológica de Colombia.
Čikaški stil citiranja (17. izdanje)Cárdenas-Soler, Ruth Nayibe, i Dennys Martínez-Chaparro. The Soundscape, a Theoretical Approach from Semiotics Point of View. Universidad Pedagógica y Tecnológica de Colombia, 2015.
MLA način citiranja (9. izdanje)Cárdenas-Soler, Ruth Nayibe, i Dennys Martínez-Chaparro. The Soundscape, a Theoretical Approach from Semiotics Point of View. Universidad Pedagógica y Tecnológica de Colombia, 2015.
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