Cardona, G. (2003). Practical proposal for the recovery of production and employment from the municipalities localities. Universidad Pedagógica y Tecnológica de Colombia.
芝加哥风格引文Cardona, Guillermo. Practical Proposal for the Recovery of Production and Employment from the Municipalities Localities. Universidad Pedagógica y Tecnológica de Colombia, 2003.
MLA引文Cardona, Guillermo. Practical Proposal for the Recovery of Production and Employment from the Municipalities Localities. Universidad Pedagógica y Tecnológica de Colombia, 2003.
警告：这些引文格式不一定是100％准确.
