Cita APA (7a ed.)

Ladefoged, P., & Maddieson, I. (1996). The sounds of the world's languages. Blackwell.

Cita Chicago Style (17a ed.)

Ladefoged, Peter, y Ian Maddieson. The Sounds of the World's Languages. Oxford [etc.]: Blackwell, 1996.

Cita MLA (9a ed.)

Ladefoged, Peter, y Ian Maddieson. The Sounds of the World's Languages. Blackwell, 1996.