Ratnayake, R. (1999). Trade and the environment: A New Zealan perspective. Aldershot: Ashgate.
Chicago Stili AlıntıRatnayake, Ravi. Trade and the Environment: A New Zealan Perspective. Aldershot: Ashgate, 1999.
MLA AlıntıRatnayake, Ravi. Trade and the Environment: A New Zealan Perspective. Aldershot: Ashgate, 1999.
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