APA (7th ed.) Citation

Perez, C. V. (1982). Readability level determination for the elementary school science textbooks. Science Education Center, University of the Philippines.

Chicago Style (17th ed.) Citation

Perez, Carolina V. Readability Level Determination for the Elementary School Science Textbooks. Quezon City: Science Education Center, University of the Philippines, 1982.

MLA (9th ed.) Citation

Perez, Carolina V. Readability Level Determination for the Elementary School Science Textbooks. Science Education Center, University of the Philippines, 1982.