APA-referens (7:e uppl.)

Duquino Rojas, L. G. (2011). Transit from rural agricultural society to urban industrial society, in the Bogotá city during the first decades of the twent. Universidad Pedagógica y Tecnológica de Colombia.

Chicago-referens (17:e uppl.)

Duquino Rojas, Luis Gabriel. Transit from Rural Agricultural Society to Urban Industrial Society, in the Bogotá City During the First Decades of the Twent. Universidad Pedagógica y Tecnológica de Colombia, 2011.

MLA-referens (9:e uppl.)

Duquino Rojas, Luis Gabriel. Transit from Rural Agricultural Society to Urban Industrial Society, in the Bogotá City During the First Decades of the Twent. Universidad Pedagógica y Tecnológica de Colombia, 2011.

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