Vélez Restrepo, L. A. (2007). The Conservation of Urban Nature. A New Challenge in the Environmental Management at Cities for 21 Century. Universidad Nacional de Colombia - Sede Bogotá - Facultad de Artes - Instituto de Investigaciones Hábitat, Ciudad & Territorio.
Citação norma ChicagoVélez Restrepo, Luis Aníbal. The Conservation of Urban Nature. A New Challenge in the Environmental Management At Cities for 21 Century. Universidad Nacional de Colombia - Sede Bogotá - Facultad de Artes - Instituto de Investigaciones Hábitat, Ciudad & Territorio, 2007.
Citação norma MLAVélez Restrepo, Luis Aníbal. The Conservation of Urban Nature. A New Challenge in the Environmental Management At Cities for 21 Century. Universidad Nacional de Colombia - Sede Bogotá - Facultad de Artes - Instituto de Investigaciones Hábitat, Ciudad & Territorio, 2007.