D S · D. T. · Douglas T. · S. T.
The Chinese University Press · Trafford Publishing
| title | ISBN-13 (ISBN-10)  | year of publica- tion  | other author(s) | 
|---|---|---|---|
| Elementary COBOL: A structured programming approach | 978-962-201-245-5 (962-201-245-0)  | 1981 | |
| Elementary COBOL: A structured programming approach | 978-962-201-173-1 (962-201-173-X)  | 1979 | |
| More Than 36 Stratagems: A Systematic Classification Based On Basic Behaviours | 978-1-4120-0674-3 (1-4120-0674-0)  | 2003 | Kenneth Tung |