(1997). When engineering fails producer, Alec Nisbett ; written & presented by Henry Petroski ; BBC, Education and Training. [videorecording].
Chicago-viite (17. p.)When Engineering Fails Producer, Alec Nisbett ; Written & Presented by Henry Petroski ; BBC, Education and Training. [videorecording]. 1997.
MLA-viite (9. p.)When Engineering Fails Producer, Alec Nisbett ; Written & Presented by Henry Petroski ; BBC, Education and Training. [videorecording]. 1997.
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