Arellano, L. A. (1976). An achievement test in Pilipino for grade four pupils of different linguistic backgrounds [microform]. Photoduplication Service. University of the Philippines Library.
Chicago-referens (17:e uppl.)Arellano, Lourdes Agoncillo. An Achievement Test in Pilipino for Grade Four Pupils of Different Linguistic Backgrounds [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1976.
MLA-referens (9:e uppl.)Arellano, Lourdes Agoncillo. An Achievement Test in Pilipino for Grade Four Pupils of Different Linguistic Backgrounds [microform]. Photoduplication Service. University of the Philippines Library, 1976.
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