Ladefoged, P. (1969). Three areas of experimental phonetics: Stress and respiratory activity the nature of vowel quality.
Chicago Edition CitationLadefoged, Peter. Three Areas of Experimental Phonetics: Stress and Respiratory Activity the Nature of Vowel Quality. 1969.
MLA Edition CitationLadefoged, Peter. Three Areas of Experimental Phonetics: Stress and Respiratory Activity the Nature of Vowel Quality. 1969.
Warning: These citations may not always be 100% accurate.