Hong Kong University Press · Oxford University Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| English pronunciation explained with diagrams | 978-962-209-024-8 (962-209-024-9) | 1983 |
| English speech training in 45 illustrated lessons | 978-0-19-680731-7 (0-19-680731-X) | 1968 |
| Mandarin Pronunciation Explained Diagrams | 978-0-85656-021-7 (0-85656-021-9) | 1982 |