APA (7th ed.) Citation

Dungo, D. T. (1962). Learning English as a second language: A worktext of essentials, grade I-[VI]. Phoenix.

Chicago Style (17th ed.) Citation

Dungo, Dolores T. Learning English as a Second Language: A Worktext of Essentials, Grade I-[VI]. [Quezon City]: Phoenix, 1962.

MLA (9th ed.) Citation

Dungo, Dolores T. Learning English as a Second Language: A Worktext of Essentials, Grade I-[VI]. Phoenix, 1962.