CROSS, N. (1994). Engineering Design Methods Strategies For Product Design Nigel Cross. John Wiley.
Chicago-viite (17. p.)CROSS, Nigel. Engineering Design Methods Strategies For Product Design Nigel Cross. John Wiley, 1994.
MLA-viite (8. p.)CROSS, Nigel. Engineering Design Methods Strategies For Product Design Nigel Cross. John Wiley, 1994.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.