Παραπομπή APA

(1989). Economic instruments for environmental protection. Paris: Organisation for Economic Co-operation and Development.

Παραπομπή Chicago Style

Economic Instruments for Environmental Protection. Paris: Organisation for Economic Co-operation and Development, 1989.

Παραπομπή MLA

Economic Instruments for Environmental Protection. Paris: Organisation for Economic Co-operation and Development, 1989.

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