Erf, R. K. E. b. (1974). Holographic non destructive testing. Academic press.
Chicago Style citaatErf, Robert K Ed. by. Holographic Non Destructive Testing. New York: Academic press, 1974.
MLA citatieErf, Robert K Ed. by. Holographic Non Destructive Testing. Academic press, 1974.
Let op: Deze citaties zijn niet altijd 100% accuraat.