Philippine Foundation for Science and Technology & Department of Science and Technology. Science Education Institute. (1990). Philippine science centrum explainer's manual. PFST.
Chicago Style (17th ed.) CitationPhilippine Foundation for Science and Technology and Department of Science and Technology. Science Education Institute. Philippine Science Centrum Explainer's Manual. Manila: PFST, 1990.
MLA (9th ed.) CitationPhilippine Foundation for Science and Technology and Department of Science and Technology. Science Education Institute. Philippine Science Centrum Explainer's Manual. PFST, 1990.
Warning: These citations may not always be 100% accurate.