Gaya APA

, D, J, H., DAHLE, , K, R. (2012). WELDING STUDENT LAB MANUAL TO ACCOMPANY . Boston :: pearson,.

Gaya MLA

, DAVID, J., HOFFMAN., DAHLE, , KEVIN, R.. "WELDING STUDENT LAB MANUAL TO ACCOMPANY". Boston :: pearson,, 2012. Monograf.