Wiener, P. P., & Wiener, P. P. (1973). Abstraction in the formation of concepts to Design argument. Scribner.
Cita Chicago (17th ed.)Wiener, Philip P., i Philip Paul Wiener. Abstraction in the Formation of Concepts to Design Argument. New York: Scribner, 1973.
Cita MLA (8th ed.)Wiener, Philip P., i Philip Paul Wiener. Abstraction in the Formation of Concepts to Design Argument. Scribner, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.