Matthews, C. (2011). A quick guide to API 653 certified storage tank inspector syllabus: Example questions and worked answers. Matthews Engineering Training Ltd. Woodhead Pub.
Chicago-Zitierstil (17. Ausg.)Matthews, Clifford. A Quick Guide to API 653 Certified Storage Tank Inspector Syllabus: Example Questions and Worked Answers. Cambridge: Matthews Engineering Training Ltd. Woodhead Pub, 2011.
MLA-Zitierstil (9. Ausg.)Matthews, Clifford. A Quick Guide to API 653 Certified Storage Tank Inspector Syllabus: Example Questions and Worked Answers. Matthews Engineering Training Ltd. Woodhead Pub, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.