Cabato, C. (1974). Programmed instructional materials on relative pronouns for first year. [s.n.].
Cita Chicago Style (17a ed.)Cabato, Carmen. Programmed Instructional Materials on Relative Pronouns for First Year. Quezon City: [s.n.], 1974.
Cita MLA (9a ed.)Cabato, Carmen. Programmed Instructional Materials on Relative Pronouns for First Year. [s.n.], 1974.
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