Gutiérrez Ossa, J. A. (2015). A model of bussiness research skill s from university, company and state in colombia. Universidad Pedagógica y Tecnológica de Colombia.
芝加哥风格引文Gutiérrez Ossa, Jahir Alexander. A Model of Bussiness Research Skill S from University, Company and State in Colombia. Universidad Pedagógica y Tecnológica de Colombia, 2015.
MLA引文Gutiérrez Ossa, Jahir Alexander. A Model of Bussiness Research Skill S from University, Company and State in Colombia. Universidad Pedagógica y Tecnológica de Colombia, 2015.
警告：这些引文格式不一定是100％准确.
