Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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