Medina González, S. (2000). Human resources and population in Mexico at the dawn of the twenty-first century: A regional perspective. THELA THESIS.
Lua i Stíl Chicago (17ú heag.)Medina González, Sergio. Human Resources and Population in Mexico at the Dawn of the Twenty-first Century: A Regional Perspective. Amsterdam: THELA THESIS, 2000.
Lua MLA (9ú heag.)Medina González, Sergio. Human Resources and Population in Mexico at the Dawn of the Twenty-first Century: A Regional Perspective. THELA THESIS, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.