APA (7e ed.) Bronvermelding

Morrison, M. (2009). Clear Speech: Practical Speech Correction and Voice Improvement. A & C Black Publishers Ltd.

Chicago (17e ed.) Bronvermelding

Morrison, Malcolm. Clear Speech: Practical Speech Correction and Voice Improvement. A & C Black Publishers Ltd, 2009.

MLA (9e ed.) Bronvermelding

Morrison, Malcolm. Clear Speech: Practical Speech Correction and Voice Improvement. A & C Black Publishers Ltd, 2009.

Let op: Deze citaties zijn niet altijd 100% accuraat.