Gaya APA

Bower, L. et al (2010). Lab Manual to Accompany Welding : Skills, Processes and Practices for Entry-Level Welders : Book One (Ed. 1). USA: Penerbit Delmar, Cengage Learning.

Gaya MLA

Bower, Lawrence. et al. "Lab Manual to Accompany Welding : Skills, Processes and Practices for Entry-Level Welders : Book One". Ed. 1 USA: Penerbit Delmar, Cengage Learning, 2010. Text.