Dungo, D. T. (1962). Learning English as a second language: A worktext of essentials, grade I-[VI]. Phoenix.
Цитирование в стиле Чикаго (17-е изд.)Dungo, Dolores T. Learning English as a Second Language: A Worktext of Essentials, Grade I-[VI]. [Quezon City]: Phoenix, 1962.
Цитирование MLA (9-е изд.)Dungo, Dolores T. Learning English as a Second Language: A Worktext of Essentials, Grade I-[VI]. Phoenix, 1962.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.