Religiones y mitos
. Diez de Velasco, Francisco (1960-...). [s.l.]: Cambridge, [s.f.]. U.I.: Bca. Leopoldo Marechal. (C) TextoLearning strategies in second language acquisition
. O'Malley, J. Michael; Chamot, Anna Uhl. 5th ed. New York: Cambridge University, c1990. U.I.: Bca. Leopoldo Marechal. ISBN: 052135837X. (M) Texto