Science Education Center University of the Philippines. (1973). Environmental science 2: Pupil's guide part 2 (Revised experimental edition.). Science Education Center University of the Philippines.
Chicago Style (17th ed.) CitationScience Education Center University of the Philippines. Environmental Science 2: Pupil's Guide Part 2. Revised experimental edition. Quezon City: Science Education Center University of the Philippines, 1973.
MLA (9th ed.) CitationScience Education Center University of the Philippines. Environmental Science 2: Pupil's Guide Part 2. Revised experimental edition. Science Education Center University of the Philippines, 1973.
Warning: These citations may not always be 100% accurate.