Gaya APA

Jeffus, L., Lawrence, I, B. (2010). Welding: skiils, procecesses and practice for entry level welders book 2 . New York: New York: Delmar Cengage Learning, 2010.

Gaya MLA

Jeffus, Larry., Lawrence, I., Bower,. "Welding: skiils, procecesses and practice for entry level welders book 2". New York: New York: Delmar Cengage Learning, 2010, 2010. .