1. Abbott, A. (1988). Transcending general linear reality. Sociological Theory, 6(2), 169–86.
2. Agresti, A., & Finlay, B. (2009). Statistical methods for the social sciences (4th ed.). Upper Saddle River: Prentice Hall.
3. Alpaydin, E. (2004). Introduction to machine learning. Cambridge: MIT Press.
4. Anand, G. (2010). A weird way of thinking has prevailed worldwide. New York Times (August 25, 2010).
5. Anderson, M. J. (1988). The American census: a social history. New York: Yale University Press.