Development Academy of the Philippines. Human Settlements Program & Rural Transformation Project. Philippine Invention Project Team. (1975). Philippine inventions: A catalogue of inventions, utility models and creative resources. Human Settlements Program, Development Academy of the Philippines.
Chicago Style aipamenaDevelopment Academy of the Philippines. Human Settlements Program and Rural Transformation Project. Philippine Invention Project Team. Philippine Inventions: A Catalogue of Inventions, Utility Models and Creative Resources. Quezon City: Human Settlements Program, Development Academy of the Philippines, 1975.
MLA aipamenaDevelopment Academy of the Philippines. Human Settlements Program and Rural Transformation Project. Philippine Invention Project Team. Philippine Inventions: A Catalogue of Inventions, Utility Models and Creative Resources. Human Settlements Program, Development Academy of the Philippines, 1975.