De Leon, R. S. (1969). Reliability and validity indices of the Philippine Science High School entrance test. s.n.].
Citación estilo ChicagoDe Leon, Rosalinda S. Reliability and Validity Indices of the Philippine Science High School Entrance Test. [Quezon City: s.n.], 1969.
Cita MLADe Leon, Rosalinda S. Reliability and Validity Indices of the Philippine Science High School Entrance Test. s.n.], 1969.
Warning: These citations may not always be 100% accurate.