APA aipamena

Ulrich, K. (2008). Product design and development fourth edition. McGraw-Hill.

Chicago Style aipamena

Ulrich, Karl. Product Design and Development Fourth Edition. McGraw-Hill, 2008.

MLA aipamena

Ulrich, Karl. Product Design and Development Fourth Edition. McGraw-Hill, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.