Velasco, R. L. (1976). Readiness of sixth grade graduates of the public schools entering the Negros Oriental High School in July 1967 for first year high school English with a view to establishing articulation between the sixth grade and the first year [microform]. Photoduplication Service University of the Philippines Library.
Chicago Style (17. basım) AtıfVelasco, Ruth Llorca. Readiness of Sixth Grade Graduates of the Public Schools Entering the Negros Oriental High School in July 1967 for First Year High School English with a View to Establishing Articulation Between the Sixth Grade and the First Year [microform]. Quezon City: Photoduplication Service University of the Philippines Library, 1976.
MLA (9th ed.) AtıfVelasco, Ruth Llorca. Readiness of Sixth Grade Graduates of the Public Schools Entering the Negros Oriental High School in July 1967 for First Year High School English with a View to Establishing Articulation Between the Sixth Grade and the First Year [microform]. Photoduplication Service University of the Philippines Library, 1976.