Dungo, D. T. (1962). Learning English as a second language: A worktext of essentials, grade I-[VI]. Phoenix.
Chicago-viite (17. p.)Dungo, Dolores T. Learning English as a Second Language: A Worktext of Essentials, Grade I-[VI]. [Quezon City]: Phoenix, 1962.
MLA-viite (9. p.)Dungo, Dolores T. Learning English as a Second Language: A Worktext of Essentials, Grade I-[VI]. Phoenix, 1962.
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