APA

Weerasinghe S., Hewawasam H., Kumara S. & Perera K. (2003). Awareness Raising on Oil Spill Prevention and Curtail Effects of Pollution : Minimize Oil Spill Pollution in Sri Lanka Waters : Source Book for Seamen and Port/Harbour Users Based on Marine Pollution Laws of Sri Lanka. Sri Lanka: Marine Pollution Prevention Authority.

Chicago

Weerasinghe S.M.J, Hewawasam H.T, Kumara Sisira and Perera K.D.C. 2003. Awareness Raising on Oil Spill Prevention and Curtail Effects of Pollution : Minimize Oil Spill Pollution in Sri Lanka Waters : Source Book for Seamen and Port/Harbour Users Based on Marine Pollution Laws of Sri Lanka. Sri Lanka: Marine Pollution Prevention Authority.

Harvard

Weerasinghe S., Hewawasam H., Kumara S. and Perera K. (2003). Awareness Raising on Oil Spill Prevention and Curtail Effects of Pollution : Minimize Oil Spill Pollution in Sri Lanka Waters : Source Book for Seamen and Port/Harbour Users Based on Marine Pollution Laws of Sri Lanka. Sri Lanka: Marine Pollution Prevention Authority.

MLA

Weerasinghe S.M.J, Hewawasam H.T, Kumara Sisira and Perera K.D.C. Awareness Raising on Oil Spill Prevention and Curtail Effects of Pollution : Minimize Oil Spill Pollution in Sri Lanka Waters : Source Book for Seamen and Port/Harbour Users Based on Marine Pollution Laws of Sri Lanka. Sri Lanka: Marine Pollution Prevention Authority. 2003.