Acidera, J. R. (1976). Leisure-time activities of the intermediate school pupils in Barrio Obrero Elementary School, Tondo, Manila [microform]. Photoduplication Service. University of the Philippines Library.
Čikaški stil citiranja (17. izdanje)Acidera, Josefa R. Leisure-time Activities of the Intermediate School Pupils in Barrio Obrero Elementary School, Tondo, Manila [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1976.
MLA način citiranja (9. izdanje)Acidera, Josefa R. Leisure-time Activities of the Intermediate School Pupils in Barrio Obrero Elementary School, Tondo, Manila [microform]. Photoduplication Service. University of the Philippines Library, 1976.
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