Colino & del Pino 2010, p. 364. Colino, César; del Pino, Eloísa (2010). "Spain: The consolidation of strong regional governments and the limits of local decentralisation". In Hendriks, Frank; Lidström, Anders; Loughlin, John (eds.). The Oxford Handbook of Subnational Democracy in Europe. Oxford University Press. pp. 356–383. doi:10.1093/oxfordhb/9780199562978.001.0001. ISBN978-0199562978.
Colino & del Pino 2010, p. 363. Colino, César; del Pino, Eloísa (2010). "Spain: The consolidation of strong regional governments and the limits of local decentralisation". In Hendriks, Frank; Lidström, Anders; Loughlin, John (eds.). The Oxford Handbook of Subnational Democracy in Europe. Oxford University Press. pp. 356–383. doi:10.1093/oxfordhb/9780199562978.001.0001. ISBN978-0199562978.