Pirates cost Maersk 100 million (in Danish) Børsen, 22 February 2011. Accessed: 24 February 2011. Quote: I reckon that our expense due to piracy is at least 100 million dollars
Lewandowski, Krzysztof Transport Means 2016, Proceedings of the 20th International Scientific Conference, October 5–7, 2016, Juodkrante, Lithuania., 2016, pàg. 668–676. ISSN: 1822-296X.