Dungo, D. T. (1962). Learning English as a second language: A worktext of essentials, grade I-[VI]. Phoenix.
Chicago-Zitierstil (17. Ausg.)Dungo, Dolores T. Learning English as a Second Language: A Worktext of Essentials, Grade I-[VI]. [Quezon City]: Phoenix, 1962.
MLA-Zitierstil (9. Ausg.)Dungo, Dolores T. Learning English as a Second Language: A Worktext of Essentials, Grade I-[VI]. Phoenix, 1962.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.