Walker, D. J., Dagger, B. K. J., & Roy, R. (1991). Creative techniques in product and engineering design: A practical workbook. Woodhead Publishing.
Chicago Style (17th ed.) CitationWalker, D. J., B. K. J. Dagger, and Robin Roy. Creative Techniques in Product and Engineering Design: A Practical Workbook. Cambridge: Woodhead Publishing, 1991.
MLA (9th ed.) CitationWalker, D. J., et al. Creative Techniques in Product and Engineering Design: A Practical Workbook. Woodhead Publishing, 1991.
Warning: These citations may not always be 100% accurate.