Science and Technology Information Institute (Philippines). Philippine inventions. Science and Technology Information Institute, Dept. of Science and Technology.
Chicago Style (17. basım) AtıfScience and Technology Information Institute (Philippines). Philippine Inventions. Manila, Philippines: Science and Technology Information Institute, Dept. of Science and Technology.
MLA (8th ed.) AtıfScience and Technology Information Institute (Philippines). Philippine Inventions. Science and Technology Information Institute, Dept. of Science and Technology.
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