Ladefoged, P. (1971). Elements of acoustic phonetics. The University of Chicago.
Cita Chicago (17th ed.)Ladefoged, Peter. Elements of Acoustic Phonetics. Chicago, Estados Unidos: The University of Chicago, 1971.
Cita MLA (9th ed.)Ladefoged, Peter. Elements of Acoustic Phonetics. The University of Chicago, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.
