Carreras Matas, Luis (1982), p. 19
Mills, John S.; White, Raymond (1994), p. 142
Castroviejo, Santiago (1982), pp. 107-108
Alfaro Giner, Carmen (1984), p. 202
Roquero, Ana; Córdoba, Carmen (1981), pp. 44-46
Eastaugh, Nicholas (2004), p. 244 y p. 327
Matteini, Mauro; Moles, Arcangelo (2001), p. 80
Perego, François (2005), pp. 323-327
Cardon, Dominique (2003), p. 101
Calvo, Ana (2003), p. 110