Pratt, P. L. (1969). Fracture 1969: Proceedings of the Second International Conference on fracture, Brighton, April 1969. London: Chapman and Hall.
Παραπομπή Chicago StylePratt, P. L. Fracture 1969: Proceedings of the Second International Conference On Fracture, Brighton, April 1969. London: Chapman and Hall, 1969.
Παραπομπή MLAPratt, P. L. Fracture 1969: Proceedings of the Second International Conference On Fracture, Brighton, April 1969. London: Chapman and Hall, 1969.
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