Morrison, M. (2009). Clear Speech: Practical Speech Correction and Voice Improvement. A & C Black Publishers Ltd.
Style de citation Chicago (17e éd.)Morrison, Malcolm. Clear Speech: Practical Speech Correction and Voice Improvement. A & C Black Publishers Ltd, 2009.
Style de citation MLA (9e éd.)Morrison, Malcolm. Clear Speech: Practical Speech Correction and Voice Improvement. A & C Black Publishers Ltd, 2009.
Attention : ces citations peuvent ne pas être correctes à 100%.