The Routledge handbook of Spanish morphology. Antonio Fábregas, Víctor Acedo-Matellán, Grant Armstrong, Maria Cristina Cuervo, Isabel Pujol. Abingdon, Oxon. 2021. ISBN978-0-429-31819-1. OCLC1204267667.{{cite book}}: CS1 maint: location missing publisher (link) CS1 maint: others (link)
Alba de la Fuente, Anahi (2013). Clitic combinations in Spanish : syntax, processing and acquisition. Ottawa: Library and Archives Canada = Bibliothèque et Archives Canada. ISBN978-0-494-98079-8. OCLC1019467284.