Trager, C., & Henderson, S. C. (1983). The PD's: Pronunciation drills for learners of english. New Jersey: Prentice-Hall, Inc.
Chicago-стиль цитированияTrager, Crowell, và Sara Cook Henderson. The PD's: Pronunciation Drills for Learners of English. New Jersey: Prentice-Hall, Inc, 1983.
MLA-цитированиеTrager, Crowell, và Sara Cook Henderson. The PD's: Pronunciation Drills for Learners of English. New Jersey: Prentice-Hall, Inc, 1983.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.