APA-referens (7:e uppl.)
Keller, K. C. (1971). Instrumental articulatory phonetics: An introduction to techniques and results. Summer Institute of Linguistics of the University of Oklahoma.
Chicago-referens (17:e uppl.)
Keller, Kathryn C. Instrumental Articulatory Phonetics: An Introduction to Techniques and Results. Norman, Oklahoma: Summer Institute of Linguistics of the University of Oklahoma, 1971.
MLA-referens (9:e uppl.)
Keller, Kathryn C. Instrumental Articulatory Phonetics: An Introduction to Techniques and Results. Summer Institute of Linguistics of the University of Oklahoma, 1971.
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