Quiroga-E., M. d. C. (2007). The beginnings of documentaries with pedagogical purposes in Mexico. Universidad Autónoma de Tamaulipas.
Lua i Stíl Chicago (17ú heag.)Quiroga-E., Ma. del Carmen. The Beginnings of Documentaries with Pedagogical Purposes in Mexico. Universidad Autónoma de Tamaulipas, 2007.
Lua MLA (8ú heag.)Quiroga-E., Ma. del Carmen. The Beginnings of Documentaries with Pedagogical Purposes in Mexico. Universidad Autónoma de Tamaulipas, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
