Catabui, S. (1969). Problems in learning Pilipino among the Ibanag first year high school students of the Cagayan Valley Institute of Technology. s.n.].
Citace podle Chicago (17th ed.)Catabui, Sacrificia. Problems in Learning Pilipino Among the Ibanag First Year High School Students of the Cagayan Valley Institute of Technology. [Quezon City: s.n.], 1969.
Citace podle MLA (9th ed.)Catabui, Sacrificia. Problems in Learning Pilipino Among the Ibanag First Year High School Students of the Cagayan Valley Institute of Technology. s.n.], 1969.
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