Black, B. J. (1997). Workshop processes, practices and materials (2nd ed.). Oxford: Butterworth-Heinemann.
Παραπομπή Chicago StyleBlack, Bruce J. Workshop Processes, Practices and Materials. 2nd ed. Oxford: Butterworth-Heinemann, 1997.
Παραπομπή MLABlack, Bruce J. Workshop Processes, Practices and Materials. 2nd ed. Oxford: Butterworth-Heinemann, 1997.
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