Dyfyniad APA

Sierra Franco, A., & Guevara Guevara, O. (2016). Visual pollution in historical centers: An aesthetic problem and of social value of the present cities. Corporación Universitaria del Caribe, CECAR.

Dyfyniad Arddull Chicago

Sierra Franco, Angélica, and Oscar Guevara Guevara. Visual Pollution in Historical Centers: An Aesthetic Problem and of Social Value of the Present Cities. Corporación Universitaria del Caribe, CECAR, 2016.

Dyfyniad MLA

Sierra Franco, Angélica, and Oscar Guevara Guevara. Visual Pollution in Historical Centers: An Aesthetic Problem and of Social Value of the Present Cities. Corporación Universitaria del Caribe, CECAR, 2016.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.