Hernández-Ramírez, M. (2006). Pedagogical model of the system of academic units for distance education. Universidad Autónoma de Tamaulipas.
Čikaški stil citiranja (17. izdanje)Hernández-Ramírez, Mauricio. Pedagogical Model of the System of Academic Units for Distance Education. Universidad Autónoma de Tamaulipas, 2006.
MLA način citiranja (8. izdanje)Hernández-Ramírez, Mauricio. Pedagogical Model of the System of Academic Units for Distance Education. Universidad Autónoma de Tamaulipas, 2006.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.
