Clark 2002, p. 36. Clark, Walter Aaron (2002). Isaac Albéniz: Portrait of a Romantic (revised ed.). New York: Oxford University Press. ISBN978-0-19-925052-3.
Clark 2002, p. 69. Clark, Walter Aaron (2002). Isaac Albéniz: Portrait of a Romantic (revised ed.). New York: Oxford University Press. ISBN978-0-19-925052-3.