Walker TR, Adebambo O, Del Aguila Feijoo MC, Elhaimer E, Hossain T, Edwards SJ, Morrison CE, Romo J, Sharma N, Taylor S, Zomorodi S (2019). "Environmental Effects of Marine Transportation". World Seas: An Environmental Evaluation. pp. 505–530. doi:10.1016/B978-0-12-805052-1.00030-9. ISBN978-0-12-805052-1. S2CID135422637.
Schrooten L, De Vlieger I, Int Panis L, Styns K, Torfs R (2008). "Inventory and forecasting of maritime emissions in the Belgian sea territory, an activity-based emission model". Atmospheric Environment. 42 (4): 667–676. Bibcode:2008AtmEn..42..667S. doi:10.1016/j.atmosenv.2007.09.071. S2CID93958844.
US Environmental Protection Agency (EPA), Washington, DC. "Control of Emissions From New Marine Compression-Ignition Engines at or Above 30 Liters Per Cylinder." Final rule. Federal Register, 68 FR9751, 2003-02-28.
Schrooten L, De Vlieger I, Int Panis L, Styns K, Torfs R (2008). "Inventory and forecasting of maritime emissions in the Belgian sea territory, an activity-based emission model". Atmospheric Environment. 42 (4): 667–676. Bibcode:2008AtmEn..42..667S. doi:10.1016/j.atmosenv.2007.09.071. S2CID93958844.
The Ocean Conservancy, "Cruise Control, A Report on How Cruise Ships Affect the Marine Environment," May 2002. - PDF [1]Archived 29 October 2013 at the Wayback Machine
Walker TR, Adebambo O, Del Aguila Feijoo MC, Elhaimer E, Hossain T, Edwards SJ, Morrison CE, Romo J, Sharma N, Taylor S, Zomorodi S (2019). "Environmental Effects of Marine Transportation". World Seas: An Environmental Evaluation. pp. 505–530. doi:10.1016/B978-0-12-805052-1.00030-9. ISBN978-0-12-805052-1. S2CID135422637.
Schrooten L, De Vlieger I, Int Panis L, Styns K, Torfs R (2008). "Inventory and forecasting of maritime emissions in the Belgian sea territory, an activity-based emission model". Atmospheric Environment. 42 (4): 667–676. Bibcode:2008AtmEn..42..667S. doi:10.1016/j.atmosenv.2007.09.071. S2CID93958844.
The Ocean Conservancy, "Cruise Control, A Report on How Cruise Ships Affect the Marine Environment," May 2002. - PDF [1]Archived 29 October 2013 at the Wayback Machine