Lemper, B. (2009). Trends in container shipping: Proceedings of the ISL Maritime Conference 2008. 9th and 10th of December, World Trade Center Bremen / [Institute of Shipping Economics and Logistics, ISL]. Burkhard Lemper / Manfred Zachcial (eds.). Lang.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিLemper, Burkhard. Trends in Container Shipping: Proceedings of the ISL Maritime Conference 2008. 9th and 10th of December, World Trade Center Bremen / [Institute of Shipping Economics and Logistics, ISL]. Burkhard Lemper / Manfred Zachcial (eds.). Frankfurt, M. [u.a.]: Lang, 2009.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিLemper, Burkhard. Trends in Container Shipping: Proceedings of the ISL Maritime Conference 2008. 9th and 10th of December, World Trade Center Bremen / [Institute of Shipping Economics and Logistics, ISL]. Burkhard Lemper / Manfred Zachcial (eds.). Lang, 2009.