Science Education Center, U. o. t. P. (1972). Elementary school mathematics 1. Science Education Center, University of the Philippines.
Čikaški stil citiranja (17. izdanje)Science Education Center, University of the Philippines. Elementary School Mathematics 1. Quezon City: Science Education Center, University of the Philippines, 1972.
MLA način citiranja (9. izdanje)Science Education Center, University of the Philippines. Elementary School Mathematics 1. Science Education Center, University of the Philippines, 1972.
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