Jensen, C. H., & Helsel, J. D. (1979). Engineering drawing and design (2d ed.). Gregg Division, McGraw-Hill.
シカゴスタイル引用形Jensen, Cecil Howard, , Jay D. Helsel. Engineering Drawing and Design. 2d ed. New York: Gregg Division, McGraw-Hill, 1979.
MLA引用形式Jensen, Cecil Howard, , Jay D. Helsel. Engineering Drawing and Design. 2d ed. Gregg Division, McGraw-Hill, 1979.
警告: この引用は必ずしも正確ではありません.