Octavio Paz (1985). “The Labyrinth of Solitude: And the Other Mexico ; Return to the Labyrinth of Solitude ; Mexico and the United States ; The Philanthropic Ogre”, p.263, Grove Press
Edward Sapir, David Goodman Mandelbaum (1985). “Selected Writings of Edward Sapir in Language, Culture and Personality”, p.162, Univ of California Press
Octavio Paz (1985). “The Labyrinth of Solitude: And the Other Mexico ; Return to the Labyrinth of Solitude ; Mexico and the United States ; The Philanthropic Ogre”, p.263, Grove Press