Gaya APA

Jeffus, L., Lawrence, I, B. (2010). Welding skills, processes and practices for entry-level welders book 2 . New York: New York: Delmar, 2010.

Gaya MLA

Jeffus, Larry., Lawrence, I., Bower,. "Welding skills, processes and practices for entry-level welders book 2". New York: New York: Delmar, 2010, 2010. .