Cita APA (7a ed.)

Ashby, P. (2010). Speech sounds (2nd ed., repr.). Routledge.

Cita Chicago Style (17a ed.)

Ashby, Patricia. Speech Sounds. 2nd ed., repr. London ; New York: Routledge, 2010.

Cita MLA (9a ed.)

Ashby, Patricia. Speech Sounds. 2nd ed., repr. Routledge, 2010.