Παραπομπή APA

Levi, L., & Anderson, L. (1974). Population environment and quality of life. Stockholm: Royal Ministry for Foreign Affairs.

Παραπομπή Chicago Style

Levi, Lennart, and Lars Anderson. Population Environment and Quality of Life. Stockholm: Royal Ministry for Foreign Affairs, 1974.

Παραπομπή MLA

Levi, Lennart, and Lars Anderson. Population Environment and Quality of Life. Stockholm: Royal Ministry for Foreign Affairs, 1974.

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