Peter Ladefoged

WPP, No. 11: Practical Phonetic Exercises

J. C. Catford, Peter Ladefoged, 1968 .

Clicks and their accompaniments

Peter Ladefoged, Anthony Traill, 1994 .

Review: The phonetic bases of speaker recognition by F.J. Nolan

Peter Ladefoged, 1984 .

WPP, No. 11: Practical Phonetic Exercises - eScholarship

J. C. Catford, Peter Ladefoged, 1968 .

Places of articulation: an investigation of Pekingese fricatives and affricates

Peter Ladefoged, Zongji Wu, P. Ladefoged, 1984 .