Greefhorst, D., & Proper, E. (2011). Architecture Principles: The Cornerstones of Enterprise Architecture. Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-20279-7

Greefhorst, Danny, and Erik Proper. Architecture Principles: The Cornerstones of Enterprise Architecture. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. https://doi.org/10.1007/978-3-642-20279-7.

Greefhorst, Danny, and Erik Proper. Architecture Principles: The Cornerstones of Enterprise Architecture. Springer Berlin Heidelberg, 2011. https://doi.org/10.1007/978-3-642-20279-7.