Hernández-Ramírez, M. (2006). Pedagogical model of the system of academic units for distance education. Universidad Autónoma de Tamaulipas.
Chicago-viite (17. p.)Hernández-Ramírez, Mauricio. Pedagogical Model of the System of Academic Units for Distance Education. Universidad Autónoma de Tamaulipas, 2006.
MLA-viite (8. p.)Hernández-Ramírez, Mauricio. Pedagogical Model of the System of Academic Units for Distance Education. Universidad Autónoma de Tamaulipas, 2006.
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