Nones, M. C. A., & Ravina, M. C. V. (1992). Theme abstraction through semantic correlation. College of Arts and Letters, University of the Philippines Diliman.
Chicago Style (17. basım) AtıfNones, Maria Cecilia A., ve Ma. Clara V. Ravina. Theme Abstraction Through Semantic Correlation. Quezon City: College of Arts and Letters, University of the Philippines Diliman, 1992.
MLA (9th ed.) AtıfNones, Maria Cecilia A., ve Ma. Clara V. Ravina. Theme Abstraction Through Semantic Correlation. College of Arts and Letters, University of the Philippines Diliman, 1992.
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