Ihns, O., Heldt, S., Koschek, H., & Ehm, J. (2011). EJB 3.1 professionell, 2nd Edition (2nd edition.). dpunkt.
Cita Chicago Style (17a ed.)Ihns, Oliver, Stefan Heldt, Holger Koschek, y Joachim Ehm. EJB 3.1 Professionell, 2nd Edition. 2nd edition. dpunkt, 2011.
Cita MLA (9a ed.)Ihns, Oliver, et al. EJB 3.1 Professionell, 2nd Edition. 2nd edition. dpunkt, 2011.
Precaución: Estas citas no son 100% exactas.