@book{ ROCA_ROCA,

author = { EDUARDO ROCA ROCA and MARIA LUISA ROCA FERNANDEZ-CASTANYS } ,

title = { NORMAS ADMINISTRATIVAS BÁSICAS },

publisher = { TECNOS },

number = { 20 },

address = { MADRID, ESPAÑA },

year = { 2009 },

isbn = { 978-84-309-49 },

}