Pullum, G. K., & Ladusaw, W. A. (1996). Phonetic symbol guide (2nd ed.). University of Chicago Press.
Cita Chicago Style (17a ed.)Pullum, Geoffrey K., y William A. Ladusaw. Phonetic Symbol Guide. 2nd ed. Chicago [etc.]: University of Chicago Press, 1996.
Cita MLA (9a ed.)Pullum, Geoffrey K., y William A. Ladusaw. Phonetic Symbol Guide. 2nd ed. University of Chicago Press, 1996.
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