Gaya APA

Tracy, N, A., Moore, P, O. (1999). Nondestructive Testing Handbook, Volume 2: Liquid Penetrant Testing (3rd Edition). USA: ASNT.

Gaya MLA

Tracy, Noel, A.., Moore, Patrick, O.. "Nondestructive Testing Handbook, Volume 2: Liquid Penetrant Testing". 3rd Edition USA: ASNT, 1999. Text.