Orion, G. F. (1988). Pronouncing american english: Sounds, stress, and intonation. Newbury House.
Chicago Style (17. basım) AtıfOrion, Gertrude F. Pronouncing American English: Sounds, Stress, and Intonation. Newbury House, 1988.
MLA (9th ed.) AtıfOrion, Gertrude F. Pronouncing American English: Sounds, Stress, and Intonation. Newbury House, 1988.
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