APA Alıntı

United nations industrial development organization Vienna. (1973). The petrochemical industry. New York: United Nation.

Chicago Stili Alıntı

United nations industrial development organization Vienna. The Petrochemical Industry. New York: United Nation, 1973.

MLA Alıntı

United nations industrial development organization Vienna. The Petrochemical Industry. New York: United Nation, 1973.

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