1. Abt, V., & Smith, J. (1981). Playing the game in mainstream America. In F. Manning (Ed.),Worlds of play: The proceedings of the 1981 Association for the Anthropological Study of Play (pp. 50?65). West Point: Leisure Press.
2. Abt, W., Smith, J., & Christeiansen, E. (1985).The Business of Risk: Commercial Gambling in Mainstream America. Lawrence KS: University Press of Kansas.
3. Auden, W.H. (1966). In memory of W.B. Yeats. In O. Williams (Ed.).Master poems of the English language, (pp. 1013?1016). New York: Trident Press.
4. Cavan, R. (1961). ?The concepts of tolerance and contraculture as applied to delinquency.?Sociological Quarterly, 2, 243?258.
5. Douglas, M. & Wildavsky, A. (1982).Risk and culture: An essay on the selection of technical and environmental dangers. Berkeley: University of California Press.