Blitz, J., King, W. G., & Rogers, D. G. (1969). Electrical, magnetic, and visual methods of testing materials. Butterworths.
Chicago-viite (17. p.)Blitz, Jack, William Geoffrey King, ja Donald G. Rogers. Electrical, Magnetic, and Visual Methods of Testing Materials. London: Butterworths, 1969.
MLA-viite (8. p.)Blitz, Jack, et al. Electrical, Magnetic, and Visual Methods of Testing Materials. Butterworths, 1969.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.