Awdur
- New Zealand Speech-Language Therapists' Association 2 canlyniadau
- American Speech-Language-Hearing Association 1 canlyniadau
- College of Speech and Language Therapists 1 canlyniadau
- N.Z. Speech Therapists' Association 1 canlyniadau
- National Association of Teachers of Speech (U.S.) 1 canlyniadau
- New Zealand Speech Board 1 canlyniadau
- Royal College of Speech & Language Therapists 1 canlyniadau
- Speech Association of America 1 canlyniadau
- Speech Communication Association 1 canlyniadau