Aragones, Luis, and Ramon Palencia, McGraw-Hill Education Beginning Spanish Grammar (McGraw-Hill Education - Europe, 2014)
———, McGraw-Hill Education Beginning Spanish Grammar (McGraw-Hill Education - Europe, 2014)
———, McGraw-Hill Education Intermediate Spanish Grammar (McGraw-Hill Education - Europe, 2014)
———, McGraw-Hill Education Intermediate Spanish Grammar (McGraw-Hill Education - Europe, 2014)
Collins Spanish Dictionary & Grammar, 8th Edition (Glasgow: HarperCollins Publishers, 2018)
Galimberti Jarman, Beatriz, Roy Russell, Carol Styles Carvajal, and Nicholas Rollin, The Oxford Spanish Dictionary: Spanish-English, English-Spanish, 4th Edition (New York: Oxford University Press Inc, 2008)
Nissenberg, Gilda, Complete Spanish Grammar, 3rd Edition (New York: McGraw-Hill Education, 2016)
Pinilla, Raquel, and Alicia San Mateo, El Expres: Exercises Book Levels A1, A2, B1: Curso Intensivo de Espanol (Alcobendas (Madrid): SGEL, 2016)
———, ELExprés: Curso Intensivo De Español (Alcobendas (Madrid): SGEL, 2016)
Richmond, Dorothy Devney, Spanish Verb Tenses, 3rd Edition (New York: McGraw Hill Education, 2015)
Six, Abigail Lee, Upgrade Your Spanish (London: Arnold, 2001)
———, Upgrade Your Spanish (London: Arnold, 2001) <https://ebookcentral.proquest.com/lib/rhul/detail.action?docID=581413>