Cita APA (7th ed.)

Diaz, L. E., & Ocampo, D. (2013). Assessment of text difficulty: A model for grades 1-10 Filipino texts. College of Education, University of the Philippines Diliman.

Cita Chicago (17th ed.)

Diaz, Leonor E., i Dina Ocampo. Assessment of Text Difficulty: A Model for Grades 1-10 Filipino Texts. Quezon City: College of Education, University of the Philippines Diliman, 2013.

Cita MLA (9th ed.)

Diaz, Leonor E., i Dina Ocampo. Assessment of Text Difficulty: A Model for Grades 1-10 Filipino Texts. College of Education, University of the Philippines Diliman, 2013.