Erf, R. K. E. b. (1974). Holographic non destructive testing. Academic press.
Chicago Style aipamenaErf, Robert K Ed. by. Holographic Non Destructive Testing. New York: Academic press, 1974.
MLA aipamenaErf, Robert K Ed. by. Holographic Non Destructive Testing. Academic press, 1974.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.