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.
शिकागो स्टाइल उद्धरणPérgolis, Juan Carlos, और 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.
एमएलए उद्धरणPérgolis, Juan Carlos, और 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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