Gaya APA

Sage, A, P., Rouse, W, B. (2011). Economic systems analysis and assement cost, value, and competiton in information and knowledge intensive sustems, organizations and entreprises . Singapore: Wiley John & Sons.

Gaya MLA

Sage, Andre, P.., Rouse, William, B.. "Economic systems analysis and assement cost, value, and competiton in information and knowledge intensive sustems, organizations and entreprises". Singapore: Wiley John & Sons, 2011. Text.