Science Education Center, University of the Philippines. (1970). Elementary school science 6: Pupils guide (Expt. ed.). Science Education Center.
Chicago-Zitierstil (17. Ausg.)Science Education Center, University of the Philippines. Elementary School Science 6: Pupils Guide. Expt. ed. Quezon City: Science Education Center, 1970.
MLA-Zitierstil (9. Ausg.)Science Education Center, University of the Philippines. Elementary School Science 6: Pupils Guide. Expt. ed. Science Education Center, 1970.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.