Villarreal, D. (2006). Research as a change factor, interest and participation grows. Universidad Autónoma de Tamaulipas.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVillarreal, Diana. Research as a Change Factor, Interest and Participation Grows. Universidad Autónoma de Tamaulipas, 2006.
एमएलए (8वां संस्करण) प्रशस्ति पत्रVillarreal, Diana. Research as a Change Factor, Interest and Participation Grows. Universidad Autónoma de Tamaulipas, 2006.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.
