Pérgolis, J. C., & Valenzuela G., J. (2008). The method in two urban investigations: Square of Bolívar station and imaginary and representations in the public transportation of passengers. Universidad Católica de Colombia.
Čikaški stil citiranjaPérgolis, Juan Carlos, i Jairo Valenzuela G. The Method in Two Urban Investigations: Square of Bolívar Station and Imaginary and Representations in the Public Transportation of Passengers. Universidad Católica de Colombia, 2008.
MLA način citiranjaPérgolis, Juan Carlos, i Jairo Valenzuela G. The Method in Two Urban Investigations: Square of Bolívar Station and Imaginary and Representations in the Public Transportation of Passengers. Universidad Católica de Colombia, 2008.
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