APA (7 वां संस्करण) प्रशस्ति पत्र

Christena, S. B. (2014). Learn to weld: Beginning MIG welding and metal fabrication basics. Quarry Books.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Christena, Stephen Blake. Learn to Weld: Beginning MIG Welding and Metal Fabrication Basics. Beverly, MA: Quarry Books, 2014.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Christena, Stephen Blake. Learn to Weld: Beginning MIG Welding and Metal Fabrication Basics. Quarry Books, 2014.