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