APA (7th ed.) Citation

Belen, J. M. (1975). A study of the difficulties in problem solving of the grades V and VI pupils in the Rizal Elementary School, Manila [microform]. Photoduplication Service, University of the Philippines Library.

Chicago Style (17th ed.) Citation

Belen, Juanita Manalastas. A Study of the Difficulties in Problem Solving of the Grades V and VI Pupils in the Rizal Elementary School, Manila [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1975.

MLA (9th ed.) Citation

Belen, Juanita Manalastas. A Study of the Difficulties in Problem Solving of the Grades V and VI Pupils in the Rizal Elementary School, Manila [microform]. Photoduplication Service, University of the Philippines Library, 1975.