Villarreal, D. (2006). Research as a change factor, interest and participation grows. Universidad Autónoma de Tamaulipas.
Chicago-referens (17:e uppl.)Villarreal, Diana. Research as a Change Factor, Interest and Participation Grows. Universidad Autónoma de Tamaulipas, 2006.
MLA-referens (8:e uppl.)Villarreal, Diana. Research as a Change Factor, Interest and Participation Grows. Universidad Autónoma de Tamaulipas, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.
