Hernández-Ramírez, M. (2006). Pedagogical model of the system of academic units for distance education. Universidad Autónoma de Tamaulipas.
Lua i Stíl Chicago (17ú heag.)Hernández-Ramírez, Mauricio. Pedagogical Model of the System of Academic Units for Distance Education. Universidad Autónoma de Tamaulipas, 2006.
Lua MLA (8ú heag.)Hernández-Ramírez, Mauricio. Pedagogical Model of the System of Academic Units for Distance Education. Universidad Autónoma de Tamaulipas, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
