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.
শিকাগো স্টাইলে সাইটেশনPérgolis, Juan Carlos, এবং 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.
এমএলএ সাইটেশনPérgolis, Juan Carlos, এবং 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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