Zwicky, F. (1969). Discovery, invention, research through the morphological approach. Macmillan.
Cita Chicago (17th ed.)Zwicky, F. Discovery, Invention, Research Through the Morphological Approach. New York: Macmillan, 1969.
Cita MLA (9th ed.)Zwicky, F. Discovery, Invention, Research Through the Morphological Approach. Macmillan, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.