1. ACI América (Alianza Cooperativa Internacional para las Américas). 2009. Ley Marco para las Cooperativas de America Latina. http://www.aciamericas.coop/IMG/pdf/LeyMarcoAL.pdf. Zugegriffen am 01.08.2019.
2. Alexy, Robert. 2008. On the concept and the nature of law. Ratio Juris 21(3): 281–299. https://ssrn.com/abstract=1245614 or https://doi.org/10.1111/j.1467-9337.2008.00391.x. Zugegriffen am 01.08.2019.
3. Austin, John. 1832. The province of jurisprudence determined. London: John Murray.
4. Bureau international du travail. 1931. Dix ans d’Organisation internationale du Travail. Genève: BIT.
5. Cooperative Societies Bill EAC. 2014. http://www.eala.org/documents/category/bills/P16. Zugegriffen am 18.07.2019.