Orion, G. F. (1988). Pronouncing american english: Sounds, stress, and intonation. Newbury House.
Chicago-referens (17:e uppl.)Orion, Gertrude F. Pronouncing American English: Sounds, Stress, and Intonation. Newbury House, 1988.
MLA-referens (9:e uppl.)Orion, Gertrude F. Pronouncing American English: Sounds, Stress, and Intonation. Newbury House, 1988.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.