Ludwig, T., Smets, F., & Tholen, J. (2009). Shipbuilding in Europe: Panel study 2008 ; study on behalf of Otto Brenner Foundation, Hans-Böckler-Foundation and Community of European Shipyards' Associations (CESA) ([Electronic ed.].). Otto-Brenner-Stiftung.
Chicago-Zitierstil (17. Ausg.)Ludwig, Thorsten, Florian Smets, und Jochen Tholen. Shipbuilding in Europe: Panel Study 2008 ; Study on Behalf of Otto Brenner Foundation, Hans-Böckler-Foundation and Community of European Shipyards' Associations (CESA). [Electronic ed.]. Frankfurt, M: Otto-Brenner-Stiftung, 2009.
MLA-Zitierstil (9. Ausg.)Ludwig, Thorsten, et al. Shipbuilding in Europe: Panel Study 2008 ; Study on Behalf of Otto Brenner Foundation, Hans-Böckler-Foundation and Community of European Shipyards' Associations (CESA). [Electronic ed.]. Otto-Brenner-Stiftung, 2009.