Cita APA (7th ed.)

Ladefoged, P. (2001). A course in Phonetics (4a. ed.). Harcourt College Publishers.

Cita Chicago (17th ed.)

Ladefoged, Peter. A Course in Phonetics. 4a. ed. Fort Worth: Harcourt College Publishers, 2001.

Cita MLA (9th ed.)

Ladefoged, Peter. A Course in Phonetics. 4a. ed. Harcourt College Publishers, 2001.