APA aipamena

 Ullman, D. G. (2003).  The mechanical design process.  McGraw-Hill.

Chicago Style aipamena

 Ullman, David G.  The Mechanical Design Process.  McGraw-Hill, 2003.

MLA aipamena

 Ullman, David G.  The Mechanical Design Process.  McGraw-Hill, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.