"Denominación de Origen Protegida 'Queso Casín'" [Denomination of Protected Origin 'Casín Cheese']. MAGRAMA.gob.es (in Spanish). Madrid, Spain: Ministerio de Agricultura, Alimentación y Medio Ambiente [Ministry of Agriculture, Food and the Environment]. 12 March 2013. Archived from the original on 6 October 2014. Retrieved 4 October 2014.
queseros.com
[1] Professional Cheesemakers Organisation - in Spanish
translate.google.com
[2] Spanish Government Regulatory Board - Translation
web.archive.org
"Denominación de Origen Protegida 'Queso Casín'" [Denomination of Protected Origin 'Casín Cheese']. MAGRAMA.gob.es (in Spanish). Madrid, Spain: Ministerio de Agricultura, Alimentación y Medio Ambiente [Ministry of Agriculture, Food and the Environment]. 12 March 2013. Archived from the original on 6 October 2014. Retrieved 4 October 2014.
