Catabui, S. (1969). Problems in learning Pilipino among the Ibanag first year high school students of the Cagayan Valley Institute of Technology. s.n.].
Chicago-Zitierstil (17. Ausg.)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.
MLA-Zitierstil (9. Ausg.)Catabui, Sacrificia. Problems in Learning Pilipino Among the Ibanag First Year High School Students of the Cagayan Valley Institute of Technology. s.n.], 1969.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.