Institut für Seeverkehrswirtschaft und -Logistik (Bremen, Germany). Maritime Conference, ebrary, Inc, Lemper, B., & Zachcial, M. (2009). Trends in container shipping: Proceedings of the ISL Maritime Conference 2008, 9th and 10th of December, World Trade Center Bremen. Peter Lang.
Παραπομπή σε μορφή Chicago (17η εκδ.)Institut für Seeverkehrswirtschaft und -Logistik (Bremen, Germany). Maritime Conference, Inc ebrary, Burkhard Lemper, και Manfred Zachcial. Trends in Container Shipping: Proceedings of the ISL Maritime Conference 2008, 9th and 10th of December, World Trade Center Bremen. New York ; Frankfurt am Main: Peter Lang, 2009.
Παραπομπή σε μορφή MLA (9th εκδ.)Institut für Seeverkehrswirtschaft und -Logistik (Bremen, Germany). Maritime Conference, et al. Trends in Container Shipping: Proceedings of the ISL Maritime Conference 2008, 9th and 10th of December, World Trade Center Bremen. Peter Lang, 2009.