Global Engineering Documentation Services & Simonton, D. P. (1972). Directory of engineering document sources. Global Engineering Documentation Services.
Chicago Style (17th ed.) CitationGlobal Engineering Documentation Services and D. P. Simonton. Directory of Engineering Document Sources. Newport Beach, Calif.: Global Engineering Documentation Services, 1972.
MLA (9th ed.) CitationGlobal Engineering Documentation Services and D. P. Simonton. Directory of Engineering Document Sources. Global Engineering Documentation Services, 1972.
Warning: These citations may not always be 100% accurate.