Sierra-Baena, M. Á., Sierra-Londoño, A., & Zapata-Ocampo, Ó. d. J. (2014). Human rights: Their presence in Colombian Constitutions. Part I About the analysis of content of the texts corresponding to the Constitutions of 1886 and 1991. Universidad Pedagógica y Tecnológica de Colombia.
Chicago Style (17. basım) AtıfSierra-Baena, Miguel Ángel, Alonso Sierra-Londoño, ve Óscar de Jesús Zapata-Ocampo. Human Rights: Their Presence in Colombian Constitutions. Part I About the Analysis of Content of the Texts Corresponding to the Constitutions of 1886 and 1991. Universidad Pedagógica y Tecnológica de Colombia, 2014.
MLA (9th ed.) AtıfSierra-Baena, Miguel Ángel, et al. Human Rights: Their Presence in Colombian Constitutions. Part I About the Analysis of Content of the Texts Corresponding to the Constitutions of 1886 and 1991. Universidad Pedagógica y Tecnológica de Colombia, 2014.
