Anden, A. B. (1974). A study of the chemical and physical properties of Philippine clays for the manufacture of refractories [microform]. Photoduplication Service, University of the Philippines Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAnden, Aurelia Balagot. A Study of the Chemical and Physical Properties of Philippine Clays for the Manufacture of Refractories [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAnden, Aurelia Balagot. A Study of the Chemical and Physical Properties of Philippine Clays for the Manufacture of Refractories [microform]. Photoduplication Service, University of the Philippines Library, 1974.
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