Citazione APA

Ladefoged, P., & Disner, S. F. (2012). Vowels and consonants (3rd ed.). Wiley-Blackwell.

Stile di citazione Chicago

Ladefoged, Peter, e Sandra Ferrari Disner. Vowels and Consonants. 3rd ed. Sussex: Wiley-Blackwell, 2012.

Citazione MLA

Ladefoged, Peter, e Sandra Ferrari Disner. Vowels and Consonants. 3rd ed. Wiley-Blackwell, 2012.