Παραπομπή APA

(1986). A Better Environment for Development: World development UNDP : 1986 Annual report. New York, N.Y: UNDP.

Παραπομπή Chicago Style

A Better Environment for Development: World Development UNDP : 1986 Annual Report. New York, N.Y: UNDP, 1986.

Παραπομπή MLA

A Better Environment for Development: World Development UNDP : 1986 Annual Report. New York, N.Y: UNDP, 1986.

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