Παραπομπή APA

(1993). Report of the United Nations conference on environment and development: : Rio de Janeiro, 3-14 June 1992. New York: United Nations.

Παραπομπή Chicago Style

Report of the United Nations Conference On Environment and Development: : Rio De Janeiro, 3-14 June 1992. New York: United Nations, 1993.

Παραπομπή MLA

Report of the United Nations Conference On Environment and Development: : Rio De Janeiro, 3-14 June 1992. New York: United Nations, 1993.

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