Nones, M. C. A., & Ravina, M. C. V. (1992). Theme abstraction through semantic correlation. College of Arts and Letters, University of the Philippines Diliman.
Lua i Stíl Chicago (17ú heag.)Nones, Maria Cecilia A., agus Ma. Clara V. Ravina. Theme Abstraction Through Semantic Correlation. Quezon City: College of Arts and Letters, University of the Philippines Diliman, 1992.
Lua MLA (9ú heag.)Nones, Maria Cecilia A., agus Ma. Clara V. Ravina. Theme Abstraction Through Semantic Correlation. College of Arts and Letters, University of the Philippines Diliman, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.