Nones, M. C. A., & Ravina, M. C. V. (1992). Theme abstraction through semantic correlation. College of Arts and Letters, University of the Philippines Diliman.
Cita Chicago (17th ed.)Nones, Maria Cecilia A., i Ma. Clara V. Ravina. Theme Abstraction Through Semantic Correlation. Quezon City: College of Arts and Letters, University of the Philippines Diliman, 1992.
Cita MLA (9th ed.)Nones, Maria Cecilia A., i Ma. Clara V. Ravina. Theme Abstraction Through Semantic Correlation. College of Arts and Letters, University of the Philippines Diliman, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.