Παραπομπή APA
Simmons, C. H., Phelps, N., & Maguire, D. E. (2012). Manual of engineering drawing: Technical product specification and documentation to British and international standards (4th ed.). Burlington: Butterworth Heinemann.
Παραπομπή Chicago StyleSimmons, C. H., Neil Phelps, and Dennis E. Maguire. Manual of Engineering Drawing: Technical Product Specification and Documentation to British and International Standards. 4th ed. Burlington: Butterworth Heinemann, 2012.
Παραπομπή MLASimmons, C. H., Neil Phelps, and Dennis E. Maguire. Manual of Engineering Drawing: Technical Product Specification and Documentation to British and International Standards. 4th ed. Burlington: Butterworth Heinemann, 2012.
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