APA citiranje

Cruz, R. P. (1975). The difficulties in problem solving of Grade IV pupils in arithmetic in the Division of Pangasinan, 1961-62 [microform]. Photoduplication Service, University of the Philippines Library.

Chicago Style (17th ed.) Citation

Cruz, Rufo Perez. The Difficulties in Problem Solving of Grade IV Pupils in Arithmetic in the Division of Pangasinan, 1961-62 [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1975.

MLA citiranje

Cruz, Rufo Perez. The Difficulties in Problem Solving of Grade IV Pupils in Arithmetic in the Division of Pangasinan, 1961-62 [microform]. Photoduplication Service, University of the Philippines Library, 1975.