@book{ Perez-Guerra_CEBALLOS_ROCA,

author = { Raul Perez-Guerra and MARIA MATILDE CEBALLOS MARTIN and EDUARDO ROCA ROCA } ,

title = { CODIGO DE TURISMO },

publisher = { Aranzadi (Thomson Reuters) },

number = { 2 },

address = { CIZUR },

year = { 2004 },

isbn = { 84-976-7323-9 },

}