Cita APA

Science Education Center, U. o. t. P. (1968). Elementary school mathematics 1. Science Education Center, University of the Philippines.

Citación estilo Chicago

Science Education Center, University of the Philippines. Elementary School Mathematics 1. Quezon City: Science Education Center, University of the Philippines, 1968.

Cita MLA

Science Education Center, University of the Philippines. Elementary School Mathematics 1. Science Education Center, University of the Philippines, 1968.