APA (7e ed.) Bronvermelding

ULLMAN, D. G. (1997). The mechanical design process.-- ed.2. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

ULLMAN, David G. The Mechanical Design Process.-- Ed.2. New York: McGraw-Hill, 1997.

MLA (9e ed.) Bronvermelding

ULLMAN, David G. The Mechanical Design Process.-- Ed.2. McGraw-Hill, 1997.