Trích dẫn APA

Orgasnisation for Economic Co-operation and Development. (1980). Environment policies for the 1980s. OECD.

Trích dẫn kiểu Chicago

Orgasnisation for Economic Co-operation and Development. Environment Policies for the 1980s. Paris: OECD, 1980.

Trích dẫn MLA

Orgasnisation for Economic Co-operation and Development. Environment Policies for the 1980s. OECD, 1980.

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