Philippines. Ministry of Education and Culture & University of the Philippines. Science Education Center. Curriculum Development Center for Science and Mathematics. (1977). Exploring our environment. Printed and distributed by GMS Publishing.
Chicago Style (17th ed.) CitationPhilippines. Ministry of Education and Culture and University of the Philippines. Science Education Center. Curriculum Development Center for Science and Mathematics. Exploring Our Environment. [Manila]: Printed and distributed by GMS Publishing, 1977.
MLA citiranjePhilippines. Ministry of Education and Culture and University of the Philippines. Science Education Center. Curriculum Development Center for Science and Mathematics. Exploring Our Environment. Printed and distributed by GMS Publishing, 1977.