Pye, D. The nature and aesthetics of design.
Chicago-viite (17. p.)Pye, David. The Nature and Aesthetics of Design.
MLA-viite (8. p.)Pye, David. The Nature and Aesthetics of Design.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.
Pye, D. The nature and aesthetics of design.
Chicago-viite (17. p.)Pye, David. The Nature and Aesthetics of Design.
MLA-viite (8. p.)Pye, David. The Nature and Aesthetics of Design.