Nugitrungsan, S. (1975). A study on the occurence of sex intergrades or morphadites, lethal characters and abnormalities in the different breeds of swine in Central Luzon [microform]. Photoduplication Service, University of the Philippines Library.
Cita Chicago (17th ed.)Nugitrungsan, Sunthorn. A Study on the Occurence of Sex Intergrades or Morphadites, Lethal Characters and Abnormalities in the Different Breeds of Swine in Central Luzon [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1975.
Cita MLA (9th ed.)Nugitrungsan, Sunthorn. A Study on the Occurence of Sex Intergrades or Morphadites, Lethal Characters and Abnormalities in the Different Breeds of Swine in Central Luzon [microform]. Photoduplication Service, University of the Philippines Library, 1975.