@book{30165,
	author = {Luhmann, Niklas, and Pappe, Silvia},
	title = {Sistemas sociales :},
	publisher = {Anthropos, Editorial del Hombre,},
	year = {1998.},
	series = {Autores, textos y temas. Ciencias sociales ;},
	address = {Rubí, Barcelona :},
	edition = {2nd ed.},
	note = {Translation of : Soziale Systeme : Grundriss einer allgemeinen Theorie. Frankfurt am Main : Suhrkamp, 1984.},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/15643/}
}