Cita APA

Knowles, G. (1987). Patterns of spoken english: An introduction to english phonetics. (1a. ed.). Estados Unidos: Longman.

Citación estilo Chicago

Knowles, Gerald. Patterns of Spoken English: An Introduction to English Phonetics. 1a. ed. Estados Unidos: Longman, 1987.

Cita MLA

Knowles, Gerald. Patterns of Spoken English: An Introduction to English Phonetics. 1a. ed. Estados Unidos: Longman, 1987.