Gaya APA

Matthews, C. (2009). A Quick Guide API 570 Certified Pipework Inspector Syllabus Example Questions and Worked Answers . New Delhi,India: Woodhead Publishing Limited.

Gaya MLA

Matthews, Clifford. "A Quick Guide API 570 Certified Pipework Inspector Syllabus Example Questions and Worked Answers". New Delhi,India: Woodhead Publishing Limited, 2009. Printed Book.