Cita APA

Orion, G. F. (1997). Pronouncing american english: Sounds, stress and intonation (2. ed.). United Kingdom: Heinle Cengage Learning.

Citación estilo Chicago

Orion, Gertrude F. Pronouncing American English: Sounds, Stress and Intonation. 2. ed. United Kingdom: Heinle Cengage Learning, 1997.

Cita MLA

Orion, Gertrude F. Pronouncing American English: Sounds, Stress and Intonation. 2. ed. United Kingdom: Heinle Cengage Learning, 1997.