APA Citation

Jay D. Helsel, & Thomas E. French. (2003). Mechanical Drawing Board & Cad Techniques 13edt (13th ed.). Usa: Mc Graw Hill.

Chicago Style Citation

Jay D. Helsel, and Thomas E. French. Mechanical Drawing Board & Cad Techniques 13edt. 13th ed. Usa: Mc Graw Hill, 2003.

MLA Citation

Jay D. Helsel, and Thomas E. French. Mechanical Drawing Board & Cad Techniques 13edt. 13th ed. Usa: Mc Graw Hill, 2003.

Warning: These citations may not always be 100% accurate.