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.
Čikaški stil citiranja (17. izdanje)Velasquez, 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.
MLA način citiranja (9. izdanje)Velasquez, 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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