| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| A Quick Guide to API 570 Certified Pipework Inspector Syllabus: Example Questions and Worked Answers | 978-1-84569-569-9 (1-84569-569-O) | 2009 |
C.M. · C. Matthews · Clifford M. · Clifford Matthews · Clifford Matthews Dr. · D.C. · D. Clifford · D. M. · D. Matthews