1. Ackermann, Fran, and Colin Eden (2005), “Using Causal Mapping to Support Information Systems Development: Some Considerations,” in Causal Mapping for Research in Information Technology, V.K. Narayanan and Deborah J. Armstrong, eds., Hershey, PA: Idea Group, 263–283.
2. Ahearne, Michael, and Niels Schillewaert (2001), “The Effect of Information Technology on Salesperson Performance,” ISBM Working Paper Series, Pennsylvania State University, University Park.
3. Axelrod, Robert (1976), The Structure of Decision: Cognitive Maps of Political Elites, Princeton: Princeton University Press.
4. Colombo, George (1993), Sales Force Automation Using the Latest Technology to Make Your Sales Force More Competitive, New York: McGraw-Hill.
5. Colombo, George (1994), Sales Force Automation, New York: McGraw-Hill.