APA引文

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

芝加哥风格引文

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引文

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

警告:这些引文格式不一定是100%准确.