1. Where Is the Information for Affordances?
2. Gibson, J. J. (1947). Motion picture testing and research (Army Air Force Aviation Psychology Program Research Rep. No. 7). Washington, DC: U.S. Government Printing Office.
3. Gibson, J. J. (1950). The perception of the visual world. Boston: Houghton Mifflin.
4. Gibson, J. J. (1966). The senses considered as perceptual systems. Boston: Houghton Mifflin.
5. Gibson, J. J. (1977). The theory of affordances. In R. E. Shaw & J. Bransford (Eds.), Perceiving, acting, and knowing: Toward an ecological psychology (pp. 67-82). Hillsdale, NJ: Lawrence Erlbaum Associates, Inc.