APA aipamena

Zerda, L. M. (1977). Urinary inorganic sulfate sulfur: Creating nine ratio in some Filipino pre-schoolars [microform]. Photoduplication Service, University of the Philippines Library.

Chicago Style aipamena

Zerda, Leticia Moran. Urinary Inorganic Sulfate Sulfur: Creating Nine Ratio in Some Filipino Pre-schoolars [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.

MLA aipamena

Zerda, Leticia Moran. Urinary Inorganic Sulfate Sulfur: Creating Nine Ratio in Some Filipino Pre-schoolars [microform]. Photoduplication Service, University of the Philippines Library, 1977.