Mackendrick, P. (1969). The iberian stones speak: : archaeology in Spain and Portugal (1ª ed.). New York: Funk and Wagnalls.
Cita MLA (8 ed.) (Copiar al portapapeles)Mackendrick, Paul. The Iberian Stones Speak: : Archaeology in Spain and Portugal. 1ª ed. New York: Funk and Wagnalls , 1969.