Dyfyniad APA
French, T. E., & Vierck, C. J. (1947). A Manual of engineering drawing: For students and draftsmen. McGraw-Hill.
Dyfyniad Arddull Chicago
French, Thomas E., and Charles J. Vierck. A Manual of Engineering Drawing: For Students and Draftsmen. New York, London: McGraw-Hill, 1947.
Dyfyniad MLA
French, Thomas E., and Charles J. Vierck. A Manual of Engineering Drawing: For Students and Draftsmen. McGraw-Hill, 1947.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.