Παραπομπή APA

(1981). Quality of life and human settlements: Examples of protection and improvement in South European Countries. New York: United Nations.

Παραπομπή Chicago Style

Quality of Life and Human Settlements: Examples of Protection and Improvement in South European Countries. New York: United Nations, 1981.

Παραπομπή MLA

Quality of Life and Human Settlements: Examples of Protection and Improvement in South European Countries. New York: United Nations, 1981.

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