Velasquez, C. C. (1977). Studies on resistance and dissemination of ascaris ova for the control of ascaris infection in rural districts [microform]. Photoduplication Service. University of the Philippines Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVelasquez, Carmen Camacho. Studies on Resistance and Dissemination of Ascaris Ova for the Control of Ascaris Infection in Rural Districts [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVelasquez, Carmen Camacho. Studies on Resistance and Dissemination of Ascaris Ova for the Control of Ascaris Infection in Rural Districts [microform]. Photoduplication Service. University of the Philippines Library, 1977.
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