APA
                    Scott A. Hissam B. R. M. G. M. N. F. K., . (2011). Open Source Systems: Grounding Research. Germany: Springer.
                
                    Chicago
                    Scott A. Hissam Barbara Russo Manoel G Mendonça Neto Fabio Kon, . 2011. Open Source Systems: Grounding Research. Germany: Springer.
                
                    Harvard
                    Scott A. Hissam B. R. M. G. M. N. F. K., . (2011). Open Source Systems: Grounding Research. Germany: Springer.
                
                    MLA
                    Scott A. Hissam Barbara Russo Manoel G Mendonça Neto Fabio Kon, . Open Source Systems: Grounding Research. Germany: Springer. 2011.