Giorguli Saucedo, S.E. 2001. Thomas Sowell. Migrations and cultures : a world view. Nueva York : Basic Books, A Division of Harper Collins Publishers, 1996. Estudios Demográficos y Urbanos. 16, 2 (may 2001), 463–466. DOI:https://doi.org/10.24201/edu.v16i2.1126.