APA aipamena

University of the Philippines System. Science Education Center. (1976). Elementary school mathematics 6. Science Education Center, University of the Philippines System.

Chicago Style aipamena

University of the Philippines System. Science Education Center. Elementary School Mathematics 6. Quezon City: Science Education Center, University of the Philippines System, 1976.

MLA aipamena

University of the Philippines System. Science Education Center. Elementary School Mathematics 6. Science Education Center, University of the Philippines System, 1976.