Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

Ladefoged, Peter, e Ian Maddieson. The Sounds of the World's Languages. Oxford: Blackwell Publishers, 1996.

Citatione MLA (9a ed.)

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