Joven, C. C. D. (1993). The Difficulties and prerequisites of intellectualizing the Filipino language in the field of science. College of Arts and Letters, University of the Philippines Diliman.
Chicago-referens (17:e uppl.)Joven, Celestino Cesar D. The Difficulties and Prerequisites of Intellectualizing the Filipino Language in the Field of Science. Quezon City: College of Arts and Letters, University of the Philippines Diliman, 1993.
MLA-referens (9:e uppl.)Joven, Celestino Cesar D. The Difficulties and Prerequisites of Intellectualizing the Filipino Language in the Field of Science. College of Arts and Letters, University of the Philippines Diliman, 1993.
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